1988 Mustang Idle Surge

Cataldo wrote: Just to be clear how I have my system plumbed now is 3/8 feed to the holley return style regulator. • Transmission not locking up (or. Based on the old. 0 heater wont get hot. The dealer did a test on the turbo bypass valve and found the there was a vacuum leak and replaced the part. While the location of the plug itself is unusual – it is accessed adjacent to the intake manifold and is quite deep in the valley of the engine – the bigger concern of many is the breaking of spark plugs during removal. When the engine runs, blades inside the converter rotate through the transmission fluid. Read 1988 Ford Mustang reviews from real owners. 2007-2010 Mustang GT500 (No tune required) 2007-2010 Mustang GT500 (No tune required) Please select fitment. Compare the values against specifications. 88 Cherokee surging/stuck idle On my buddy's Mustang, it was doing the same thing, he was thinking vacuum. 0 HIGH OUTPUT 302ciE engine, running with an apparant surging idle, caused by god knows what. SUBJECT: Proper installation of the throttle valve cable on Factory and after-market carburetors or fuel injections. 8L Ford car (pick up, van). Well, I got it running, but was experiencing high idle and idle surge. 0 Resto Idle Air Control Adjuster will put you one step closer to solving your idle problems! It is a must for EFI V8 Mustangs! This thin, adjustable aluminum plate fits between the throttle body and the idle air control motor. My truck would rev up like I was maxing the gas at every stop. In their simplest forms, Mustang engine brackets & pulleys work by taking the power generated by the engine and transferring it to the Mustang crankshaft, which in turn causes the crankshaft pulley to rotate, which moves a belt or series of belts, which turns other Mustang engine pulleys that power the various accessories in your Mustang. I have a 1993 Mustang GT the transmission works fine except it seems to struggle a little bit to get from 3rd into Overdrive is there anything I can do to fix this. Cataldo wrote: Just to be clear how I have my system plumbed now is 3/8 feed to the holley return style regulator. But since I rebuilt this 1991 we never got it perfect, until we used this exact method. Vacuum leaks in MAF systems will usually cause a rough idle, but often will not result in surging under cruise. com ® is an online automotive complaint resource that uses graphs to show automotive defect patterns, based on complaint data submitted by visitors to the. Surging Idle Sign in to follow this. 3L Ford Ranger or 2. The throttle valve in the throttle body is completely closed when the throttle is released. adjusting idle on an efi engine? -86 mustang SSP X CHP Unit # 3788-bone stock & staying that way When my car was SD if it wasn't surging it was idleing at. Anytime its running it shuts off if I don't give it gas. BlueDevil Transmission Sealer is guaranteed to form a permanent seal. Read 1988 Ford Mustang reviews from real owners. Learn about this problem, why it occurs, and how to fix it. 2015-2019 Mustang Recalls & TSB's. Read how Mustang Monthly describes how to fix the 25 top Mustang ailments and performance problems. Throttle Position Sensor: Friend or Foe? By Mike Fleming. I have a 2011 Mustang GT,I had a problem like that 2 weeks ago,it was 97* outside, and I was doing about 80 MPH on the Hwy,my A/C would blow cold then go to warm then back to cold. It was so exhilarating since this was my very first car. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surging. 1988 ford ranger surges and rough idle when cold? On 16th bd my grandpa bought me a 02 lexus then a couple months later buys a 2015 mustang for him but nvr drives. Ford's EEC controls engine idle with the help of the IAC (Idle Air Controller), also known as the IAB (Idle Air Bypass), BPA (Bypass Air Valve) or the ISC (Idle Speed Controller). 2001 Ford Mustang Engine » this is images about 2001 ford mustang engine posted by Brenda Botha in 2001 category. Just disconnecting the electrical connector would still allow air to leak by a leaky ICV and affect the idle speed. Cataldo wrote: Just to be clear how I have my system plumbed now is 3/8 feed to the holley return style regulator. Check The Honda Main Relay In Your. BlueDevil products are safe for your vehicle and can remain in the system until your next fluid change. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. I have a mild E-303, ported TFS heads, Holley intake and a 70 mm throttle body. 1988 Ford Mustang LX Hatchback 4-CYL 2. 2015-2019 Mustang Recalls & TSB's. Boat Repair Forum > Gas Inboard Engines, Inboard/Outboards, and Sterndrive Forum > OMC Sterndrive and Inboard Forum PDA View Full Version : OMC Sterndrive and Inboard Forum. gas tank trouble - posted in 80-96 Ford Truck Tech Support: I have a 1990 Ford F-150,with 5. I have a 1993 Mustang GT the transmission works fine except it seems to struggle a little bit to get from 3rd into Overdrive is there anything I can do to fix this. I went out to look at his car for the first time. 1988 LX 5. 91 mustang idle problem. A series of videos to follow. In diagnosing the misfire, some information is needed about the maintenance of the vehicle. I have a 1988 Ford 5. You also get really bad mileage. But when systems start removing the driver fromt he driving what do you really have, and this is where thMclaren and may otehr moderns fail. Mustang Map Sensor Location » this is images about mustang map sensor location posted by Maria Nieto in Mustang category. You can also find other images like 1971 ford mustang engine,ford ranger mustang engine,1988 ford mustang engine,2001 ford f350 engine,2001 mustang bullitt engine,2001 toyota tundra engine,1990 ford thunderbird engine,red ford mustang engine,2001 chevrolet trailblazer engine,1989. A wide variety of issues can prompt an engine surge. 0 automatic). Recall List for the 2006 Ford Mustang. The idle will relearn if you put the vehicle in drive and allow the idle to come down with all accessories off for about two to three minutes. Description. First step on all Carrera idle issues is to plug the air pipe to the idle control valve to eliminate it as a cause. What/where is the ACT? The ACT is the Air Charge Temperature sensor and is located on 87-88 Turbo Coupes (and 87+ non turbo 2. It just started to idle fast (2000 RPM). We put together a comprehensive guide on Mustang fuel systems parts and principles for do-it-yourself 'stangbangers. It wasn't as smooth as a factory engine and tune but it was getting there. 1998 ranger extended cab, 2wd, 4. Ask Question (Ford calls it the IAC valve, stands for idle air control valve) and it's been running like a champ ever since. We had spark and no fuel pressure. Owner ProCharger 600B I/C, 12psi, FRP Hdrs, I think I got the idle nailed down, it doesn't stall or surge much anymore. Push the throttle control cable until the required high idle RPM is obtained. i have an 88 mustang gt, aod, speed density. If you need to wonder why Ford has been so hard pressed to make money recently, you need not look much further than stunts like this. Application. The Toyota 22RE engines use a "Linear" throttle position sensor. Automotive Forums. Also, I own a 2005 v6 Mustang (obviously). Shop 90 91!Highlighting our varied collection of 90 91 on sale now. gas tank trouble - posted in 80-96 Ford Truck Tech Support: I have a 1990 Ford F-150,with 5. 1988 Ford Mustang GT 5. The symptoms include stalling when coming to a stop, or very low idle after starting, or stalling if the throttle is "blipped" (opened and closed quickly). The idle air control valve is a component that interacts between an automobile’s computer and the throttle body. These easy to install IAC motors improve idle quality in your GT, Cobra, Bullit, and Mach 1. ThrottleBodyInjection. Ford Mustang; Injection Tpi Online. One of the most common symptoms commonly associated with a problematic idle air control valve is irregular idle speed. Once warm, the engine will idle, but it's very rough. My truck would rev up like I was maxing the gas at every stop. High idle, upon starts sometimes it runs under the normal idle and surges up and down somewhat. Learn about this problem, why it occurs, and how to fix it. If the surging idle persists, replace the Idle Stabilizer / Auxiliary Air Valve. It was uncovered in a garage in New Hyde Park, New York where it currently resides. It takes me a couple of long tries afterwards, but I can finally get it restarted, then I have to keep the RPMs up, and slowly let off of the gas before it will hold idle on its own. In diagnosing the misfire, some information is needed about the maintenance of the vehicle. 0 Mustang idles. Insufficient fuel injection starves the engine for fuel, leading to rough idling and perhaps even random cylinder misfiring. Idle surging can be caused due to other issues in the car but if it happens in conjunction with other throttle position sensor symptoms, the culprit is TPS. I hear this from customers all the time; they pull into the garage and say, "I need to have an alignment on my car because my steering wheel shakes when I drive. Let Kent explain how his solutions finder works: "Just select the location of the problem you are experiencing, the chassis designation of your car and a few key. com FREE DELIVERY possible on eligible purchases. Eddie spent 35 years in the automotive business with Honda. 3L Ford Ranger or 2. 8L Multi-Port Fuel Injection. OK, got it to idle. We are the premiere place for 1st gen and 2nd gen Dodges as well as a great source for newer models as well. This information is from various sources, like my experience, AFM, the Ford Fuel Injection Book, other site members experiences. Surging Idle Sign in to follow this. The car started to idle rough and occasionally surge at a stop, it would drop below 500 rpm then shoot up to around 1200-1400 rpm but if I gave it a little throttle it would clear up. 1–2 #31 Fist of the North Star: The Series DVD #47 A Fistful of Dollars #10/15 A Fistful of Trailers #37 Fit to Kill #6/4 5 Dead on the Crimson Canvas #22 5 Dolls for. Solving idle problems part 5 - Cleaning the MAF wire: First off you may be asking, what is a MAF? The MAF stands for Mass Airflow Sensor. control idle speed when varying loads are placed on the engine symptoms of failure engine stalling, surging, poor idle conditions and a "check engine light" recommended service service should be performed every 25,000 to 35,000 miles and con-sists of cleaning or replacing valves that are non-functional typical location throttle air bypass valves. It failed the low idle portian of smog but was clean at the higher rpm portian. Get together to discuss anything related to Ford automobiles. 0L Poor Idle Quality, Hesitation, Surge, Stall Posted to Ford Driveability on 10/27/2016 39 Replies Vehicle will not idle and runs extremely rich. The car started to idle rough and occasionally surge at a stop, it would drop below 500 rpm then shoot up to around 1200-1400 rpm but if I gave it a little throttle it would clear up. Hard Starting. The idea is to free up air-flow coming into the engine which allows your Mustang to breathe easier equating to more power. The body has over 100k but is clean. The Fast Lane Truck 1,376,411 views. If the surging idle persists, replace the Idle Stabilizer / Auxiliary Air Valve. Part Ref#s: 12364363 213770 DY430A DY495 DY503 DY520 DY527 DY532 E43F9F479A1A E43F9F479A2A E43F9F479AA E43F9F479B1A E43F9F479B2A E43F9F479BA E43Z9F479A E43Z9F479B E4OZ9F479B E57F9F479A1A E57F9F479A2A E5SF9F479A1A E5SF9F479A2A E5SF9F479AA E5SZ9F479A E67F9F479A1A E67F9F479A2A E67F9F479AA E6EF9F479A1A. com ® is an online automotive complaint resource that uses graphs to show automotive defect patterns, based on complaint data submitted by visitors to the. I have a mild E-303, ported TFS heads, Holley intake and a 70 mm throttle body. It was idling high, so I replaced the throttle position sensor. Oil change 600 miles ago. Ford F-250 owners have reported 29 problems related to power steering pump (under the steering category). The result of this is the fuel pressure remains constant from idle vacuum up to 5 in. Each TBI assembly is coated with a long lasting aluminum oxide finish. Get the best deal for Throttle Bodies for 1988 Ford Ranger from the largest online selection at eBay. Toyota 4runner pickup 22RE - understanding rough, high, surging idle, the Idle Air Control IAC valve - Duration: 6:37. Basically, the MAF sensor—also known as airflow meter—measures the amount of air flowing into the engine through the air cleaner assembly, which contains the air filter and connects to the throttle body. OK, in a nutshell. Seems to run lean, but o2 sensors show rich code. All TBI assemblies are flow bench tested, calibrated and idle adjusted which makes for easy installation. 2003 Ford Taurus, 3. This covers year models 1986-1993, and 1994-1995. Engine Vibration Causes – Free Auto Repair Tips July 25, 2009 4:51 pm dennisb - Auto Tool Sales DIY , Drivetrain and Noises , How To Auto Repair This Kia Rio had a severe engine vibration, see the picture below for the cause. Buy Your Mustang Air Charge Temperature Sensor Act Sensor 1986-1995 from CJ Pony Parts, one of the industry leaders for Mustang Parts and Accessories. This will be most noticeable during acceleration or slowing down, as these are the times when there is the greatest difference between atmospheric pressure and the pressure within the manifold. now, i have an 89 mustang that is having idle and surging issues. Common causes of intermittent stalling may include a bad idle speed control (ISC) system, low fuel pressure, loss of ignition, vacuum or EGR leaks, or other problems we'll get to later in this article. and it still idels rough. A surge is usually caused by a fuel system management or drivetrain operation failure. Input please when u have bigger injectors u dont want to lower the fuel pressurewith the 24's u should be around 44 psidid it just start to do this or did u change something and then it changed is the maf calibrated for the 24's? the tps voltage should be around. The battery rapidly drains when the car sits for a couple of days. Page 5 of 11. DPFE sensor failure is a fairly common problem on the Focus, and as more and more older foci get more and more miles, the failures are becoming a lot more common. My wife drives a Honda Accord. The IAC valve is the idle air control valve for the Lincoln Towncar's fuel injected engine. Not only that, but quite a few things can cause a misfire condition (or misfire trouble codes). This BBK Performance Throttle Position Sensor is designed as a direct fit replacement on all 1986 to 1993 5. balanced idle. The tiny thing that keeps your car working, often falls prey to regular wear and tear, and therefore must be taken care of. The idle, timing, and mixture are all adjusted together in the course of setting up the engine. • Transmission not locking up (or. 1988 Mustang GT Fox Body - More than $7,500 in upgrades This is a great opportunity to purchase a well put together fox body. The MAF (mass air flow) systems used on many cars measure the amount of air flowing through the engine's throttle valve (throttle body) and use that information to determine how much fuel to inject. Often if the leak is bad enough to cause a surging idle, your'll be able to hear it with this technique. Why is 92 camaro RS 305 surging a little at idle 600 to 700 When driving has no acceleration Running rich Can smell it I can floor it at stop and wont even bark tires It use to?. This process is completed by regulating airflow through a bypass circuit around the throttle plate to increase or decrease idle speed. Motorcraft CX1824 Idle Air Control Motor 90 Mustang GT 302 5. Mustang Lifestyle 17,688 views. 1996 ford bronco xlt with 4x4, 2 door suv, rear power window, 2 sets of keys, polished alloy wheels, removable top, rear mounted spare, very clean for the year, 5. Toyota 4runner pickup 22RE - understanding rough, high, surging idle, the Idle Air Control IAC valve - Duration: 6:37. Oil change 600 miles ago. The a/c by the way makes the idle increase 100-200 rpms but still bogs when I hit the brakes. I went out to look at his car for the first time. 0 tach surges to 3500 but engine idle 1995 mustang gt idle i. About every second, the RPMs increase about 50 rpm and the oil gauge fluctuates between 1 and 1. Automotive Forums. The problem may involve an annoying change (up/down) of engine speed while cruising at a steady pace, a low drop (or even cut-out) at idle or when approaching a stop, a wild high engine speed of several thousand rpm followed by a drop to near zero, etc. At other times it idles below 100 rpms causing the motor to stall sometimes after just takingyour foot off the gas in traffic. It was about 80 one day and I drove the Mustang to the parts store, so everything was good and hot. It only does it while sitting in gear with my foot on the brake. Well, finally on the third trip to the dealer in 9 months for the surging/high idle problem, the dealer told me "Ford has a fix for it now. N/A: Vacuum Leak. Download Turn On sounds 25,243 stock sound clips starting at $2. It actually can do the opposite! It frees up horsepower at idle, but it loads the system heavier when you rev up the engine as the alternator tries to catch up on missing battery charge! When alternator shaft speed is reduced, the voltage regulator turns up the field current. I ran the codes and it gives me10, 31, and 51. Mustang Faq Wiring Engine Info. Just disconnecting the electrical connector would still allow air to leak by a leaky ICV and affect the idle speed. Home / Fuel System Parts / Surge Tanks. Owner Surge at idle. 6 liter V8 has been a distinct issue for some. Check The Honda Main Relay In Your. Ford Mustang Engine hesitates during acceleration Inspection at your home or office. I put in an Edelbrock 1400 and I have not been able to figure out why the has an intermittent surge at idle rpms jump up and go down like a seesaw. I tried to adjust his idle screw but it was already adjusted down. 3L SOHC TSB (Technical Service Bulletins Ford Mustang) and Automotive Recalls. The idea is to free up air-flow coming into the engine which allows your Mustang to breathe easier equating to more power. hg at idle. Let's say I'm in 1st or 2nd gear, accelerating normally, and then I floor it, I feel LOTS of hesitation and a pop or 2 (not a backfire) from the exhaust. i was thinking there is no reason a fule injected motor should do that. These easy to install IAC motors improve idle quality in your GT, Cobra, Bullit, and Mach 1. 1990 Lincoln Mark VII LSC, Car idles fine in Drive or Reverse. 0L Engine from CJ Pony Parts today! If your 1986-1993 Ford Mustang is not idling correctly then you need to check out this Idle Air Control Adjuster by Ford. replace when trouble codes indicate failure or motor is no longer operational typical location idle speed control motors (isc). This tutorial addresses a very common problem I've seen on the 1987-1995 GM 4. It only does it while sitting in gear with my foot on the brake. but there was one more problem at random times i mean random the idle would go up to about 2k whan in nuturl but. Get the best deal for Throttle Bodies for 1988 Ford Ranger from the largest online selection at eBay. org, is the worlds largest automotive enthusiast group exclusively geared towards the General Motors GM J-car platform including the Chevrolet Cavalier, Pontiac Sunfire, Pontiac Sunbird, Pontiac J 2000, Oldsmobile Firenza, Buick SkyHawk and Cadillac Cimarron. 0L powered Foxbody Mustang suffering from surging, rough or hanging idle? Then you may need to replace your old stock Idle Air Control Valve with a brand new genuine Ford IAC Valve from AmericanMuscle. Irregular idle speed. I have a 1988 300e with 145000 km on the engine. This page is dedicated to the 2014-2017 C7 Corvette Supercharger Systems manufactured by our 3rd Party Manufacturer - A&A Corvette. • Transmission not locking up (or. Ford F-250 owners have reported 29 problems related to power steering pump (under the steering category). Solutions to find/stop IDLE SURGE on a 93 fox 5. It begins to run efficiently and the metered amount of fuel coming from the idle circuit is enough to sustain an idle. Reconnect the plug on the idle motor 7. Ive tried everything above. You can run it in until the engine will idle while in park, usually around 1100 RPM. Mustang Lifestyle 17,688 views. Ford Mustang : The Corral is the oldest and best known Ford Mustang website on the internet! Meet new friends, get excellent technical advice. now, i have an 89 mustang that is having idle and surging issues. First step on all Carrera idle issues is to plug the air pipe to the idle control valve to eliminate it as a cause. Idle Air Controller (IAC) The IAC is blamed and cursed for every idle problem there ever was on a fox Mustang. Been fighting with the infamous "rough idle" situation on my 1996 F-150 w/ 5. but there was one more problem at random times i mean random the idle would go up to about 2k whan in nuturl but. My E420 generally idles just a micron above 500 RPMs regardless of AC or electric load. The engine's idle speed is controlled by how much air is allowed to bypass the throttle via the idle bypass circuit in the throttle body. 200 Million used auto parts instantly searchable. Mustang Map Sensor Location » this is images about mustang map sensor location posted by Maria Nieto in Mustang category. the problem stops when i accelerate but will continue at cruising speed. 0 dies and idle surge Showing 1-6 of 6 messages. Read 1988 Ford Mustang reviews from real owners. 1988 ford ranger surges and rough idle when cold? On 16th bd my grandpa bought me a 02 lexus then a couple months later buys a 2015 mustang for him but nvr drives. 4 my 1988 mustang gt convertible usually runs great but sometimes it idles up and down and will even die. Download and buy high quality Turn On sound effects. 0l? I have to give my car the "anti-idle surge vacuum leak" and it reads 14 inches at idle, and 16 inches with the leak plugged, surging away. Oh, and all four o2 sensors replaced with ntk units about 10k miles ago. Setting IAC (Idle air control) valve I saw this video , and wonder about his words of "wisdom. Ford 1998 Mustang Owner's Manual If the engine idle speed does not slow down automatically, have the vehicle checked. Though we all love our mustangs, from time to time they needs repairs that we might not know about. 6 liter V8 has been a distinct issue for some. Shop now!. This is why once the engine is warmed up, it begins to idle and you no longer need to feather the throttle. With computer-controlled engines, there is really only one. The idle, timing, and mixture are all adjusted together in the course of setting up the engine. Buy Ford Mustang 1987 1988 1989 1990 1991 1992 1993 Euro Headlights - Black: Headlight Assemblies - Amazon. The idle is a function of sensor inputs & various electronics, so most people see an idle between 500/550. You don't need a scan tool or any other expensive diagnostic tool to find out if it's BAD or not. I sprayed a wiff of starter fluid at the EGR valve and it evens out. It blows black smoke out the tailpipe when it does this, so I know its dumping in way too much fuel. Using the EEC Analyzer. It idles rough, misses and lays down at upper rpms. The idle adjustment screw on the throttle body can then be used to set the idle. 0L "Fox body" Mustangs. Irregular idle speed. They were produced from 1970 through 1974 and were used on a variety of Ford models, from ponycar to fullsize. After the car warms up when at a stop light it stalls and dies. Not sure if related. 1988 LX 5. Sometimes while. com! We are the oldest and largest V6 Mustang forum on the internet. I removed the IAC and cleaned it last night with the same symptoms upon re-install. 9 to 1 Volts. Not only that, but quite a few things can cause a misfire condition (or misfire trouble codes). This BBK Performance Throttle Position Sensor is designed as a direct fit replacement on all 1986 to 1993 5. 8L SC Won't Start, RPM Zero, Check Engine Light? How do I give my 94 Ford Thunderbird more power? where is the factory amp in my 1988 ford thunderbird turbo coupe?. This tutorial will help you to do a cylinder balance test on your 5. When the engine is started cold, regardless of the outside temperature, the idle is rough and there is a noticable power loss. If you have a vacuum leak that was brought on by a bad vapor canister purge valve, then you will probably have difficulties starting your vehicle. 3L Hatchback would not start with the first turn of the key; if key is left in ON position a h-m-m-m kind of sound is heard and after about one minute the car starts when key is turned, then from then car starts thereafter at each first kick. org, is the worlds largest automotive enthusiast group exclusively geared towards the General Motors GM J-car platform including the Chevrolet Cavalier, Pontiac Sunfire, Pontiac Sunbird, Pontiac J 2000, Oldsmobile Firenza, Buick SkyHawk and Cadillac Cimarron. I currently get a Engine-OFF code of 14 which refers to the PIP circuit failure. As a side note the truck idles and runs great with the AC off. 0 idle surge Yes it got a new cam on rebuild, the only thing that didnt get replaced was crank (which was ground),block(which was bored), all other internal engine parts were replaced. 0L powered Foxbody Mustang suffering from surging, rough or hanging idle? Then you may need to replace your old stock Idle Air Control Valve with a brand new genuine Ford IAC Valve from AmericanMuscle. Pay attention to low idle or stalling. The idle surges ALL the time. The fuel injected Mustang uses a small motor/valve assembly that allows a specific amount of air to enter the engine to control it's idle. 0 with an aod. Genuine Ford Part. Surging Idle Sign in to follow this. Symptoms: I was driving west on I 12, when the engine started surging. 1988-91 F SUPER DUTY, F47. The symptoms of a dirty throttle body include rough idle, poor gas mileage, faulty CEL codes, stalling and poor acceleration. You may be asking, "What is a TPS"? Simply put its the Throttle Position Sensor. 1988 Ford Mustang, A9L / GUFB, Binary Editor, Moates Quarterhorse, rebuilt and balanced 305 (0. Hello techs of the [] have a 5. balanced idle. 0L "Fox body" Mustangs. 7L engines with throttle body fuel injection system: a stuck open EGR valve. and it still idels rough. ) that can make an 86-88 surge, cut-out in the first few seconds of start (low fuel pressure) - then on the seond start - it runs fine. Read reviews, browse our car inventory, and. Keep in mind, however, that these issues can also have other causes that have no relation to the health of a vehicle’s oxygen sensors. Mac's conical lifetime filter is shielded from the engine to eliminate hot fan wash from the radiator that can cause idle surge. If you own a 1997-2004 Corvette and like to drive it a lot, chances are you are going to run into some common C5 Corvette problems. 1996 ford bronco xlt with 4x4, 2 door suv, rear power window, 2 sets of keys, polished alloy wheels, removable top, rear mounted spare, very clean for the year, 5. Can't hurt to try, can it? I don't think turbo surge is/can be an issue at idle and just off idle, but I learn something daily! Ill kill the tune on the way to work and see what I get, other than less fun! Scott. Idle surging can be caused due to other issues in the car but if it happens in conjunction with other throttle position sensor symptoms, the culprit is TPS. 0 liter six-cylinder engine provided good acceleration from low speeds in Jeep Wranglers and Cherokees for years, with high torque at low engine speeds. As an iATN member you are expected to offer assistance to others on iATN prior to asking for help yourself. air leak is first check, then dirty throttle valve assembly Thanks - one can of throttle body cleaner later and the idle has settled down to a steady 800rpm. Surge Tanks. The background on the car is it sat for three years by the previous owner who planned on doing a motor swap. Basically, air conditioning systems operate on the principles of evaporation and condensation. What I noticed was that his car had idle surge it would go from 2000 rpm to 14000 but would not go any lower unless hard shifted into gear. A separate Idle Air Control Valve (IAC) may no longer be needed because the throttle body motor can slightly open the throttle plate to let in air at idle. It begins to run efficiently and the metered amount of fuel coming from the idle circuit is enough to sustain an idle. 1996 ford bronco xlt with 4x4, 2 door suv, rear power window, 2 sets of keys, polished alloy wheels, removable top, rear mounted spare, very clean for the year, 5. A wide variety of issues can prompt an engine surge. When I put the truck into gear, I have to REALLY get on the gas to keep it from stalling out, and the second I let off, it dies. what is that? Other times, when I'm starting up, I get the occasional pfft pfft and the engine just quits on me, what is that too?. Have to hold the gas to the floor on hot starts for it to start. Keeping your throttle body clean is a good way to maintain or improve fuel economy. The idle adjustment is a large screw on the drivers side of the throttle body. Below you will find the most complete list of Ford trouble codes available. hg at idle. The throttle body didn't look that dir. Aerostar - rough idle, engine misses. 2015-2019 Mustang Recalls & TSB's. The idle surges ALL the time. • Transmission not locking up (or. Shop 90 91!Highlighting our varied collection of 90 91 on sale now. Mac's complete system remains underhood but draws cooler air from the fender opening for the OEM airbox. I have to hold the gas down for a while until the car warms up and then its fine. What are the symptoms of a bad throttle position sensor in a ford mustang gt? bucking, jerking, idle surging, engine cuts off, hesitation on take off, surge while cruising down highway. I'd just like to add (if it hasn't already been stated) is that a vacuum leak will often give one a surging / hunting idle. View 1000's of Ford Focus fuel valves and buy online directly online all payment types accepted. 0L SEFI and SVO 2. Dodge Truck & SUV forum with the best tech and vehicle help on the web. Set timing compression 140 all cylinder valve timing good - Answered by a verified Ford Mechanic. A few times the truck has stalled while driving, but I was breaking a little harder than normal both times causing the RPM's to go down. the thermostat is a 180. after all my work i still dont have it running 100 percent. uk cannot be held responsible for any failures or ommisions.