Lack of power as you accelerate the vehicle down the road. It is worth a call to Ford with your VIN number. Again, start the engine and compare how it is running at a stop to how it normally runs. damn dude, you need to fix that egr. 2015-2016 mustang ghost tune started. You've replaced a lot of parts that could cause a misfire but one possible cause not mentioned is a leaking intake manifold gasket or plenum gasket. How do you change the distributor cap and rotor on a regular 2001 ford. Ive had some good battles with it, but it seems to always win. 2010 Ford F-150 5. It's an automatic trans. Still did not fix problem, now if you unplug most of the sensors no check engine light comes on or change to the engine. cause the vehicle to run rough for a minute. You guys helped me do all my mods last summer, and haven't had any major problems with truck tell lately. This customer had a concern that the car was running rough and stumbling off idle. I have a 01 mustang v6 manual and it idles high when first starting and in between shifting can anyone help - Ford 2001 Mustang question Search Fixya Press enter to search. Turn off the engine. Almost everyone is describing an idle that hunts around and won't settle at the proper RPM. Top 10 Causes of a Rough Idle | JL Motorworks. 0L 6cyl 5M) on Edmunds, or submit your own review of the 2007 Mustang. If your oxygen sensor has failed, the code checker will generate a diagnostic trouble code that specifically indicates your oxygen sensor is bad. The basic symptom of a misfire is a light to severe rough idle that's felt when the engine is idling and a light to severe engine miss (hesitation) when the engine is under load (for example: your Ford vehicle moving from a stop). Hi everyone I have a 02 explorer with a 4. I believe the engine had bottom end work done when he started hearing knocking from a worn bearing, rod or crank I don't know. Sometimes it runs rough at idle, if it's not running rough at idle it will run rough when put into drive. The days of poor performance aftermarket cams are gone. We here at Auto Parts Warehouse want to make sure you're happy with your car part purchases. While there are a variety of reasons your Ford Mustang has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. We know you love your Ford Mustang and want to make sure it's taken care of (maybe he or she even has a name?). hi all, i am having rough idle problems with my 4. Let the people with 12+ years of experience in finding and buying car parts help you find the best Idle Control Valve for your Ford Mustang. 91 GT Carb conversion, holley 600 double pumper, edelbrock performer intake, FMS "C" drop springs, march 1000 underdrive pullies, crane 1. This idle air control motor is a direct replacement for the factory IAC motors on 2001-2004 Mustang GTs with 4. My 2001 Dodge Neon idles rough. Also please check out the statistics and reliability analysis of Ford Mustang based on all problems reported for the Mustang. We can’t tell if it’s also rough during driving, or when the car is in park or neutral, but there is definitely considerably more vibration when the car is stopped in drive and idling–you can feel it throughout the car. It felt like I was riding on cobblestone, as I slowed it was easy to notice that the vibration was coming from the engine. 8 liter V6 engines. This is an idle air control motor (IAC) for your 1986-93 Ford Mustang 5. I cleaned the MAF with MAF cleaner. It is a reprogram of the ECU. 01 mustang v6 running rough at idle and drive. To start viewing messages, select the forum that you want to visit from the. Stumble? rough idle? no code misfire? I'm sitting there and all of a sudden the car starts to kind of shake, so I look down at the tach thinking it's stalling, however it wasn't. Other than this everything seems to be running very smoothly. The rough idle will cause the car to shake as. Pay attention to low idle or stalling. it's been normal for me. Timming light shows that timming is ok and it will start and idle fine but when you give it gas it runs rough,misses and backfires and no power. Replace 3 motor mounts (at the shop) - except the rear 2. This Porsche Cayenne S Rough Idle Stumble is and example of one of those instances. Shop with confidence. Engine rough idle can be caused by a series of problems, or just one faulty component or adjustment. He found arcing from plug wires and coil. This is a general guide which will list symptoms for 944 starting and running problems and common causes of those problems. the Idle Speed Controller is serviced, then Mountaineer (4 dr) 98-01 B 8 2 N Y Y E8 2 Y N Y Mystique (V6 Only) 98 A 16 1 Y N Y 98 (2/2/98 Build or Later)-00 E 8 2. What this series of articles is aimed at is how to fix the most common idle problems found in the Mustang. Replaced fuel pump motor only, cleaned tank changed fuel filter and it ran great for about 60 miles. Fortunately, it's easy to adjust the idle mixture with a simple screwdriver and a quality vacuum gauge. For your Ford Mustang, try cleaning out your idle air control valve. About three weeks before my plugs went bad i installed an o/r h pipe on the car and all was well until the plugs went. it seems to be problem with 3. An OBD-2 scanner can be had for very low $$$$. Reconnect your battery's negative terminal. How do you change the distributor cap and rotor on a regular 2001 ford mustang v6?don't forget plug wires. Turn off the engine. This is required so that the computer can 'relearn' a new idle speed. The idles were rough enough to make me dread coming to a stop. You guys helped me do all my mods last summer, and haven't had any major problems with truck tell lately. If any of these is lacking, the engine may stall. When an Idle Air Control Motor starts to fail, it can cause a rough idle, maintenance light, this will decrease the fuel mileage. I have had the codes run at a local store and it came up with both a lean and rich condition on bank 2. Your Ford Mustang was built to be impressive in both style and performance. Then a couple days later my exhaust (seems to be drivers side) starts popping every 10 or 15 seconds at idle. Hey I have a 2000 prerunner v6. How can I fix it (2)? a can of throttle body cleaner sprayed while someone holds your gas pedal down while running. See the 2001 Mustang price range, expert review, consumer reviews, safety ratings, and listings near you. This is a general guide which will list symptoms for 944 starting and running problems and common causes of those problems. My problem is different. October 01 2011. Run the engine until it reaches normal operating temperature. My 1994 Town & Country (3. Edit: there is response from the throttle. Mustang) idle fine but after a few seconds it dips in rpms and idles rough for a second or two. Clean it out with CRC mass air flow sensor cleaner and clean your maf sensor while your at it. And at the exact moment it occurs, the engine makes a terrible farting/roaring sound that is just like diesel truck engine braking. If it doesn't stall immediately, it will instead develop no power - cannot accelerate much beyond walking speed. The idle of a car engine is kind of like a human heartbeat: You can tell what shape it's in just by listening. How to Replace the Idle Air Control (IAC) Motor in a 1999 Ford Mustang: Are you having problems with your vehicle's RPM fluctuating high and low ? Does it occur more often while running your A/C and/or other high powered auxiliary items?. It also connects to the EGR pipe via rubber hoses, but the hoses just stand straight up and they're short. At idle it sputters and sounds more like a little boat engine to me. Bought the truck new. didn't have any issues with the original engine, happened after the engine change. The 2016 Ford Mustang has 24 NHTSA complaints for the engine at 12,034 miles average. I have a 2000 mustang v6 coupe I bought 3 months ago and was a great runner till the battery died because I do not drive it much here in maui, I put a 2 amp 6 hour charge on it and started fine then I put it through the warm up to operating temp, then idle for 1 min, then ac for 1 min like it says in the mustang guide-care and maint. Restarted still just as rich and just as rough. Finding the problem can be daunting, especially with so many sensors and switching valves involved. I believe the engine had bottom end work done when he started hearing knocking from a worn bearing, rod or crank I don't know. What else could be causing it to idle rough only in drive and reverse? Oh yeah my idling RPMs are around 600. This information is from various sources, like my experience, AFM, the Ford Fuel Injection Book, other site members experiences. All cars made in 1996 and after are equipped with an OBDII interface. 7l duratec engine, with an automatic transmission, during extended idle conditions and temperature above 104 degrees, will experience a hard brake pedal. Get Your Ford Mustang Idle Air Control Valve from AutoZone. From spark plug changes to major service, your 2017 Ford Mustang will perform at its best when you maintain and repair it with our replacement ignition parts. I was told driving on the highway might clear it out, but Ive been on a couple of trips already and the idle is still high. It was running fine until the other day when I merged on the highway and was at WOT. It is intended to help you map out a troubleshooting plan. 2015-2016 mustang ghost tune started. Just recently that same rough idle if not worst is back. Buy a new Idle Air Control Motor for all 2001-2004 GT Mustangs Built After September 6, 2001 from CJ Pony Parts. Just not a lot of older V6's here. I cleaned the MAF with MAF cleaner. And at the exact moment it occurs, the engine makes a terrible farting/roaring sound that is just like diesel truck engine braking. I don't know,can it be that simple or something else ?. There is a shortcut called a throttle body relearn. If you're really stuck I'd take it to a shop for diagnosis, then get the parts and do the work myself. 8L) (at: autotecnico-online. I have a 93 ford explorer. The idle of a car engine is kind of like a human heartbeat: You can tell what shape it's in just by listening. Then, on the same trip, she started immediately, with no problems. we are both lost. I've tried holding the rev's up and pumping the gas when its about to turn off but that hasn't helped. If the idle is low and inconsistent, it may be due to an issue with your idle control valve. Do you want to remove all your recent searches? All recent. Maybe my car will stop jerking when i accelarate uphill. 0L OHV? My V6 (3. The idle is real rough and when you step on it you get that sputtering, however sometimes it will start to sputter then for no reason what so ever go like theres no problem. Comp Cams Xtreme Energy Camshafts for your 1996-2002 SVT Cobra at RPM Outlet. If your oxygen sensor has failed, the code checker will generate a diagnostic trouble code that specifically indicates your oxygen sensor is bad. Ranger & B-Series - 1999 4. Rough idle in vehicles with Gasoline Direct- Injected engines. It has the rough idle from day one (pretty much feels like a misfire, like it jerks a bit which can be felt in the seat, to be exact, it is like it is skipping a beat once in a while, don't know how else to explain, I am Not an expert like the members here). 2004 F150 4. Really BAD gas mileage. Page 2- running rough and surges at idle 5. 8 liter V6 engines. This Porsche Cayenne S Rough Idle Stumble is and example of one of those instances. I used to think it was worse when - Answered by a verified Ford Mechanic. I have a 2000 mustang v6 coupe I bought 3 months ago and was a great runner till the battery died because I do not drive it much here in maui, I put a 2 amp 6 hour charge on it and started fine then I put it through the warm up to operating temp, then idle for 1 min, then ac for 1 min like it says in the mustang guide-care and maint. Things I did: 1) Replaced the spark plugs with Champion 7989. Signs and Symptoms of a Bad Idle Air Control Sensor by Richard Rowe Connected to the engine's primary air intake valve (the Throttle Body, or TB), the Idle Air Control (IAC) valve is responsible for making minor adjustments to engine airflow. 8L) (at: autotecnico-online. What could b. Another thing that happened to me in the last week was the TPS (throttle position sensor) was jumping around 0. Mustang Discussion forum for owners and enthusiasts of the Ford Mustang. well bud i had a similar thing happen to a dodge i had it was an 04 1500 and it turned out that it was a setting that i deleted by accident. 8L //// Engine Vehicle Shakes entire front end of car when at idle, all the way up to 2,000 rpms then it goes away. Whenever I'm at a drive thru or at a stop light when the brakes are engaged. Pay attention to low idle or stalling. Feels like driving over reflector bumps in middle of the road. I think that is what I am going through right now, my idle is 650 and I think I'm going to raise it to 700 to start then go from there. and pull the trouble codes. Comp Cams 4V Xtreme XE-R Series XE270AH-114 Street & Strip Performance Rough Idle DOHC: Street & Strip performance. A 2002 Ford Explorer 4. Starts right up, had problems with a few computer codes fixed all. Replied by K24A4 on topic 2000 Ford Mustang 3. 3 L displacement, and it is shorter than the inline 4. I immediately changed the spark plus and wires but from the start thought it was to bad to be that. It was running fine until the other day when I merged on the highway and was at WOT. Lightning Force Performance is the leading online retailer of performance and racing auto parts and accessories. And at the exact moment it occurs, the engine makes a terrible farting/roaring sound that is just like diesel truck engine braking. What could b. I have a 2003 Vue with the V6 automatic FWD. 8 L mustang, it sat for about a year tried to start fuel pump out, ran great previously. The idles were rough enough to make me dread coming to a stop. The same thing happens while drivingit'll stall when coming to a stop. adjusting idle on an efi engine? If this is your first visit, be sure to check out the FAQ by clicking the link above. Then a couple days later my exhaust (seems to be drivers side) starts popping every 10 or 15 seconds at idle. It seems to happen more as the engine warms up. This did not fix the vibration. - I'll be sitting at a light and suddenly something turns on, or off or some setting is implemented and the idle suddenly dropsthe car runs very rough with a mis. - Duration: 11:06. the throttle body has been removed hasn't it, check the gasket. Pay attention to low idle or stalling. Advance Auto Parts has 7 different Fuel Injection Idle Air Control Valve for your vehicle, ready for shipping or in-store pick up. It also connects to the EGR pipe via rubber hoses, but the hoses just stand straight up and they're short. Damage to the car's carburetor and vacuum hoses can cause the engine to misfire, resulting in a rough idle. For those of you that were at the Osh Kosh show over the weekend, Tony said he had a blast and I can't wait to see the picture of all the saleens including Jerry's TT S7 and Ford GT in front of the P51 Mustang!!!!! Anyways, I need some theories about a rough idle that developed in the XP8 just over the weekend. How can I fix it (2)? a can of throttle body cleaner sprayed while someone holds your gas pedal down while running. How do you change the distributor cap and rotor on a regular 2001 ford. I have been looking at this cam for a while, but what i haven't been able to find is good videos on how it sounds. " If turning the ignition on causes IAC to engage plunger fully forward, then there is no purpose in doing what he is suggesting. It felt like I was riding on cobblestone, as I slowed it was easy to notice that the vibration was coming from the engine. A common problem on the 1994 to 2004 Mustang V6 models is that the ignition coil pack is prone to failure and can lead to rough running, poor idle, and an unsightly check engine light. What Is An Idle Air Control Motor. com Q: my 2001 3. The Ford Mustang, with the 4. And at the exact moment it occurs, the engine makes a terrible farting/roaring sound that is just like diesel truck engine braking. problem has been going on for a long time and we rough idle problems 4. On the other hand, the roughness is an indication of a problem which time and/or mileage may exacerbate. Because it bypasses air, it's also called an air bypass valve. Get reliability information for the 2007 Ford Mustang from Consumer Reports, which combines extensive survey data and expert technical knowledge. Put gearshift in "P" (Park), turn off all accessories. 7 roller rockers, GT-40P headers, bassani x pipe, american thunder catback, FMS 4. I could have an SES light, but my car doesn't have one. The idle air control motor (IAC) controls changes in idle caused by engine load. Share Tweet. After that, you should be able to use your air conditioning, defroster, etc, without any problems at all. Your source for all Modern Mustang news and discussion forums. Finding the problem can be daunting, especially with so many sensors and switching valves involved. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. My 01 has started to get a rough idle recently too. 1-2 but then jump all over and get a little rough. Find 154 used 2001 Ford Mustang as low as $2,995 on Carsforsale. Pay attention to low idle or stalling. 8L Idle Surging Problems Okay first off I'm not a mechanic so if you could dumb down your help it would be greatly appreciated. Running Problems. Finally solved it. If you just need motor it would be $200, The transmission $150. It's advisable to clean the idle air sensor control motor even if there are no problems evident, in order to prevent dirt from caking up [source: 2Carpros]. The idle air control valve regulates the air intake into the engine as it is mixed with fuel prior to being injected into the engine. 8L //// Engine Vehicle Shakes entire front end of car when at idle, all the way up to 2,000 rpms then it goes away. summary: ford 2015 mustang : bulletin information involving vehicles equipped with a 3. A 2002 Ford Explorer 4. Finding the problem can be daunting, especially with so many sensors and switching valves involved. I have an 01' v6 that is also "bogging" down if you will. Is your SVT Cobra 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. How many times did you post you have spark at all 8 and fuel on all 8 plugs yet keep going back to the same theory as it is not firing. After that, you should be able to use your air conditioning, defroster, etc, without any problems at all. damn dude, you need to fix that egr. Doing a quick scan showed no faults, or anything that indicated an issue in the system. after reading your post the other night I got to thinking about causes. Super-rough idle? Check. Re: Cougar V6 - Idle/Stalling Issues If the iac valve is clean and it is known good look into the throttle body and see if there is alot of carbon build up in there. Here we will look at how to clean the idle air. I would sell both together for $300. 6L STX four door, with 291,000 miles. 0 Vulcan Tech Lots Of Problems Solved. My 01 has started to get a rough idle recently too. But im wonder who has it, or who did what to fix it, im thinking seafoam and new plugs might do the trick. Do you want to remove all your recent searches? All recent. If you start with the ’89-’94 DIS Ranger block you can easily swap in the newer ’98-’01 2. i'm pretty sure the dogbone mount/insert isn't going to cause the engine to surge or vibrate at idle unless it ends up being stiffer than stock. If the idle is low and inconsistent, it may be due to an issue with your idle control valve. Almost everyone is describing an idle that hunts around and won't settle at the proper RPM. When this is not working properly, this can cause the engine to starve for fuel which can trigger the car to misfire or simply run very rough at idle or low speeds. I had a similar issue with an '02 XLT Escape with 170k. Hope this helps. I bought my Altima about a year ago and always had a rough idle, it's not so bad now but I feel it and it just bothers me. 0 4 cylinder engine and 90k miles. problem is in the engine, seems to be an electrical or sensor problem. If commanding the EGR valve open has no effect on the engine idle, the EGR system is plugged up or the EGR valve is inoperative or stuck closed. On some '01 foci, the DPFE sensor is a more squarish black box with a 3-wire plug in the top and 2 hoses coming off the bottom, it sits almost on top of the EGR pipe, and is located somewhat under the air intake tube. through the seat pedal, steering wheel, etc. We know you love your Ford Mustang and want to make sure it's taken care of (maybe he or she even has a name?). Mustang 4. The 2016 Ford Mustang has 24 NHTSA complaints for the engine at 12,034 miles average. 7 roller rockers, GT-40P headers, bassani x pipe, american thunder catback, FMS 4. date announced: july 01 2015. My '01 Mustang V6 revs high when in neutral/when changing gears. These engines are experiencing a problem with carbon build-up on the top side of the intake valves. driveability—streamlined diagnostic article no. Though this requires the use of aftermarket pistons and aftermarket rods are highly recommended. problem has been going on for a long time and we rough idle problems 4. 0 V6 with an idle quality complaint and intermittent misfire is diagnosed using a PicoScope automotive oscilloscope. Setting IAC (Idle air control) valve I saw this video , and wonder about his words of "wisdom. This information is from various sources, like my experience, AFM, the Ford Fuel Injection Book, other site members experiences. Idle air control valves open to allow more air to "leak" into the intake, raising the engine rpms, or close when not needed. If it's just the rough idle, and no misfire problems, not running excessively rich or lean, etc. Featuring all of the same specs and functions as the OEM component, this is a quick and easy way to get your Mustang running smoothly again with no modifications. The P1506 code means that the engine idle is out of factory specification. Then, on the same trip, she started immediately, with no problems. We can’t tell if it’s also rough during driving, or when the car is in park or neutral, but there is definitely considerably more vibration when the car is stopped in drive and idling–you can feel it throughout the car. At idle it sputters and sounds more like a little boat engine to me. After that, you should be able to use your air conditioning, defroster, etc, without any problems at all. Re: Cougar V6 - Idle/Stalling Issues If the iac valve is clean and it is known good look into the throttle body and see if there is alot of carbon build up in there. Generally the Mustang V6 Convertible’s body structure is tight, with zero twist even under the engine’s very generous full throttle. Attempt to duplicate the noise, and vehicle, if available, with an ENGINE build date determine the source of the symptom. 2001 Ford Mustang High Idle At Start Up. We have changed the VVT sensor. 1-2 but then jump all over and get a little rough. Setting IAC (Idle air control) valve I saw this video , and wonder about his words of "wisdom. didn't have any issues with the original engine, happened after the engine change. VIBRATION/SHAKE—AT STEADY SPEED APPROXIMATELY 100 KM/H (62 MPH)— VEHICLES WITH 3. Someone has had the trans out and replaced the torque converter for this problem. Needs lower gears, exhaust upgrades, larger throttle body and mass air, bigger fuel injectors and a 2200+ stall with automatics. Re: Rough idle when cold Oct 18 2012, 12:56pm Hey man you might want to check you'r timimg or timeing sensor or maybe you'r cam sensor. When it shakes the check engine light will flash rapidly then stop. Sometimes around 300-400 rpm. car and driver save 79% subscribe give a gift visit the website customer service. I searched through a lot of posts on this topic. Manufactures have removed these. GT idle I can't argue with Jenn's logic -- if the rough idle is the only problem I encounter with the GT, I'll consider myself fortunate. 8L vehicle is not running on all 6 cylinders. A 2002 Ford Explorer 4. Also please check out the statistics and reliability analysis of Ford Mustang based on all problems reported for the Mustang. This is information on how to set your idle rpm. If your oxygen sensor has failed, the code checker will generate a diagnostic trouble code that specifically indicates your oxygen sensor is bad. If the 'Check Engine' indicator on your vehicle glows continuously, a possible cause may be a malfunction in the idle air control valve. It idles rough not really bad but enough to hear it. Most modern cars have an idler air control valve (IAC) that can. Standard on the Shelby GT500 the all-new TREMEC seven-speed dual-clutch transmission is the first ever dual clutch transmission in a Mustang. Things I did: 1) Replaced the spark plugs with Champion 7989. elle decor. Your idle should be calm after. Learn more about the 2001 Ford Mustang. However, when your idle air control valve is malfunctioning or failing, you lose out on the consistent power you rely on. 91 GT Carb conversion, holley 600 double pumper, edelbrock performer intake, FMS "C" drop springs, march 1000 underdrive pullies, crane 1. noise, and to determine if the noise occurs at idle or above idle speed, and if the engine is cold, hot,3. Rough idle? (self. 1-2 but then jump all over and get a little rough. I have worked in Ford dealers in the past and recall replacing those on more than one occasion for a misfire/rough idle/check engine light condition. Out of no where it starts sputtering, rough idle, no power and running very rich very. A 2002 Ford Explorer 4. You can drive it sometimes and it will run perfect and you can drive it sometimes and it will misfire. Timming light shows that timming is ok and it will start and idle fine but when you give it gas it runs rough,misses and backfires and no power. It was running rough, missing and backfiring plugs were trashed. Get Your Ford Mustang Idle Air Control Valve from AutoZone. Car won't idle after supercharger install! The car will idle for a few seconds (~20) and then the idle gets really rough and the car stalls out. installing new spark plugs on my old 2005 V6. Mass Air Flow Sensor Cleaning, IAC Valve, Replace Coil Packs. 0 4 cylinder engine and 90k miles. Overview If you've stumbled upon this site, you probably own a 2001-2004 Ford F150 with the 4. Start pulling coil connectors. This valve is comonly called the idle motor, the IAC (idle air control) or the IAB (Idle air bypass). Back in the days of carburetors, idle speed was adjusted by way of an idle speed screw. I have worked in Ford dealers in the past and recall replacing those on more than one occasion for a misfire/rough idle/check engine light condition. 8L //// Engine Vehicle Shakes entire front end of car when at idle, all the way up to 2,000 rpms then it goes away. 0L V6, 12 valve, 210 hp @ 5300 rpm 5 speed manual (standard) or 5 speed automatic transmission 19 mpg city / 28 mpg hwy Green Rating: 62 You can expect to pay $18,735 Standard Features: Passenger Airbag Cutoff. 03 8100 vortec ROUGH idle problem I noticed a little stumble when I got the truck a month ago but just thought it was the plugs. 5 litre crank and still retain the T-bird’s distributor. 8L V6 : this is exactly what I needed to take care of my rough idle problem. However, the most likely causes come from the basic operating components that control fuel and ignition. A faulty IAC normally causes surges and poor idle quality. Aside from high idle issues, low idle and even sporadic stalling can both be attributed to a bad idle control valve. How to fix rough idle mustang 4. Page 2-Vortech 4300, LU3 & LB4 Motors. When I kick it out of gear to coast the rpm's drop loooow. I just bought a 2018 2SS Automatic couple of weeks back brand new with just 27 miles on the ODO. The Ford Mustang, with the 4. See the 2008 Mustang price range, expert review, consumer reviews, safety ratings, and listings near you. Shop millions of cars from over 21,000 dealers and find the perfect car. Re: Cougar V6 - Idle/Stalling Issues If the iac valve is clean and it is known good look into the throttle body and see if there is alot of carbon build up in there. I then pressurized the system, ran the air out etc. Here we will look at how to clean the idle air. This valve is comonly called the idle motor, the IAC (idle air control) or the IAB (Idle air bypass). 8L-trouble starting Hey i have question fast; 2003 Mustang 3. It could need a new spark plugs. Buy a new Idle Air Control Motor for all 2001-2004 GT Mustangs Built After September 6, 2001 from CJ Pony Parts. Share Tweet. However, when your idle air control valve is malfunctioning or failing, you lose out on the consistent power you rely on. Replied by K24A4 on topic 2000 Ford Mustang 3. 0L 6cyl 5M) on Edmunds, or submit your own review of the 2007 Mustang. Get reliability information for the 2007 Ford Mustang from Consumer Reports, which combines extensive survey data and expert technical knowledge. I replaced the sensor in front of the charcoal box but it still ran rough. 8L V6 - Intermittent Stalling on Slow Down/Stop Rough idle @ stoplights - O2 sensors reading. My problem now is that after the car turns on, it will idle beautifully for about 10-15 seconds then bogs out and dies.