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Prev Professional Automotive Repair Technical Discussions for May 30, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2001 Audi A6 Quattro 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUEH54B41
Vehicle came into shop with a misfire at idle. Scanned for codes and found that cylinder 3 had a misfire. This misfire only occurred at idle. Misfire at around 1200 rpm would disappear. I replaced spark plugs and plug wires. Didn't fix the problem. Fuel pressu... Trouble codes: P0300 (Cylinder misfire)
2002 Audi TT Quattro 1.8L MIL Lamp on VIN: TRUUT28N52
Customer returned about about 150 miles after engine replacement with p0411 air inj. code. I tested every component in the system and all is functional except the pump relay is missing ground control from the ECM. Wire from the relay to ECM ohm's out good. The... Trouble codes: P0411
2003 BMW 745i 4.4L MIL Lamp on VIN: WBAGL63433
to all BMW gurus out there. got this 745 that had the secondary air system codes on. read a post that mentioned replacing the check valves on the back of the heads. saw some you tube video of the ports/drilling on the side of the head that lead to the check va... Trouble codes: 0X276, 0X276
2003 BMW 325i 2.5L xenon headlamp VIN: WBAET37483
appears R. headlamp assembly is New, removed inspected wiring for possible collision damage - none found, checked any fuses related to headlamp, only 2 fuses #9, #32 both 5amp and good. Have low beam left side, both flash to pass will come on, but NO highbeams...
1995 Buick Century Special 3.1L Hesitation, Cuts out, MIL Lamp on VIN: 1G4AG55M4S
this car came in on the hook after stalling. would crank but no start. had a code p0342 so i replaced the cam sensor.the car ran fine for about five minutes but then started idling rough and would intermittently backfire through the intake when accelerated. ch... Trouble codes: P0342
2001 Buick LeSabre Custom 3.8L No Start, Stall VIN: 1G4HP54K31
First off I will say I do not deal with a lot of communication problems at my shop so I am not that good at them. This vehicle will start and run for about 3 seconds then it dies and will not restart till you turn off the key and wait a few mins then it will d... Trouble codes: U1040, U1300, U1255, U1305, U1604, U1160
2002 Buick Park Avenue 3.8L door lock remote VIN: 1G4CW54K32
This is my own vehicle. Being retired,I have no access to equipment I might need. I am trying to program a new remote for this vehicle & have read differing methods of doing it. Some suggested a simple procedure with no need of a scan tool & others said the Pa...
2003 Buick Century Custom 3.1L starter VIN: 2G4WS52J03
I have closed my previous post as I have gotten the air bag off and replaced the ign switch and thanks every one for your answers,the dash light problem is fixed but the starter will not engage,it works when I jump the small terminal on the starter and will st...
2001 Chevrolet Silverado 2500 HD 6.6L No Start, Stall VIN: 1GCHC29181
Vehicle towed into shop as a hard start and runs rough, open hood and the fuel filter housing had been removed by customer. Found fuel filter housing laying on floor board and they had attempted to glue the housing up to stop a leak, ok new housing installed a...
2004 Chevrolet Malibu LS 3.5L 1-2 Shift 2-3 Shift VIN: 1G1ZT54824
This one is killing me. This car is a used car lots of course, and was brought in for noise under dash. Found that noise was in steering column. Removed battery cable and replaced steering column, it is the electronic assist column. When I got the car back tog...
2005 Chevrolet Colorado Z85 2.8L Wipers VIN: 1GCCS14885
Hello to all. We have this 2005 Colorado with a intermittant wiper erratic operation. The customer states that it will wipe without request and sometimes go into high or low. We can not duplicate and it is their delivery vehicle and want it back. The problem i...
2009 Chevrolet Traverse LT 3.6L Various warning lights pop up, engine shuts off VIN: 1GNER23D69
Customer states that various warning lights come on dash and vehicle shuts off. Radio also turns off & on while driving. Sometimes will not start. Vehicle finally gets towed in will not start. Check fault codes got various communication faults (U0140, U0151, U...
2001 Dodge Intrepid ES 2.7L No Start VIN: 2B3AD56JX1
Cant seem to figure this one out guys. I know these are very common for timing belts but can't seems to be sure if that's the case. I've checked my crank signal and it looks good but I don't have any signal on the cam and I've checks the ground,8 volt referenc... Trouble codes: P0700 (Trans fault present), P1391 (Intermittent loss of camp or ckp), P0240 (No cam signal at PCM)
2007 Dodge Sprinter 2500 3.0L low power VIN: WD0PE74597
Help! lol The reported symptoms are the engine will, about once a day (it is a fleet veh. ) lose power when going up a hill or cruising the freeway. Customer reports turning off key and letting sit for a bit and all will be normal. I'm guessing this means engi... Trouble codes: 2089 (exhaust pressure sensor voltage too high), 2511 (EGR control positioner error), 2359 (charge pressure control charge pressure too high), 2510 (boost pressure regulating control positioner error), 2134 (cylinder 2 glow plug open)
1999 Ford F-150 Lariat 5.4L Mechanical VIN: 1FTRX17L1X
This truck is blowing soot and burning gas like crazy. We only can get codes B1884,B1869 and P1780 using a scanner. We had the machine work all done at a good machine shop and it makes know sense to me what I am overlooking. While using the scanner both o2 sen...
2000 Ford Taurus SE 2-Valve 3.0L Oil Pan VIN: 1FAFP55U1Y
Need to reseal oil pan due to a blown out gasket, My question is do I have to remove or even mess with the headpipe/converters to gain access to remove or can the pan be weaseled out? Also is there anything else I should look for or check other than the pvc va...
2001 Ford Windstar LX 3.8L Criuse Control VIN: 2FMZA51431
Hello techs, I have a 2001 Windstar (neighbors) that had a failed Cruise Control. Scanned and everything checked out All switches showed when pushed. Seen the ground went to a splice with several other modules all which are fine. Figured must be bad actuator/M...
2004 Ford Focus ZTS 2.3L air bag VIN: 1FAFP38Z54
got this focus in for resale. there were no air bag or other codes on. we changed the front seats strictly for cosmetic purposes after replacing the sets the air bag is giving code 52. We put the original seat tracks back in (changed the cushions ) disconnecte...
2005 Ford F-250 Super Duty Lariat 5.4L Hesitation VIN: 1FTSX21565
bad hesitation, bogs down after 25% throttle.then gradually picks up speed.fuelLvllnp never goes over 40%. hesitation is is not near as bad when cold.
2011 Ford Escape XLT 2.5L rear wheels VIN: 1FMCU0D7XB
Hey guys. Just a quick question. Maybe someone working at the dealership knows an inside trick to these. Ive replaced the rear wheel bearings on this 2 wheel drive escape and still have a lot of wiggle, up and down and side to side. On both sides of course. I ...
1996 Honda Civic DX 1.6L manual steering rack VIN: 2HGEJ6342T
Personal car which has been well maintained. Quite suddenly two inches of play appeared when steering wheel is moved left to right in the straight ahead position. I have ruled out the following causes: connection of steering wheel to the steering shaft and the...
2004 Honda Odyssey EX 3.5L Ac VIN: 5FNRL18004
the ac kicks on sometimes for a second,sometimes for up to two or three minutes. then shuts off. sometimes it comes back on sometimes it doesn't. it does have the automatic climate control and I have checked it for dtc and it shows code E for the daylight sens...
2008 Jeep Grand Cherokee Laredo 3.7L A/c VIN: 1J8GS48K18
Customer stated a/c blows colder on driver side compared to pass. side. Temp. Reads 64 Degrees on driver side and 78 degrees on pass. side. This Is a single zone ac not a dual zone.
2009 Jeep Wrangler X 3.8L Transmission oil temp VIN: 1J4FA24169
Hello and Thanks for looking at this. Customer said he did not have this problem until he changed the pedal and throttle body. This vehicle will crank and run fine until it warms up and then the HOT OIL LITE will come on and it will stall out. It will crank ba...
2003 Lexus RX300 3.0L Fuel Tank VIN: JTJHF10UX3
We have to remove the fuel tank on this vehicle. Its an all wheel drive and there is no factory procedural info on this car. Can't find any into on enthusiast sites. Anyone out there "been there, done that?" thanks so much!
2007 Lexus GX470 4.7L e brake shoes VIN: JTJBT20X77
Good evening to all Here I am in sort off a jam ,replacing rear brakes and rotors on this vehicle and sure enough the hold spring on the rear emergency brake pad is broken is there a trick to replacing this or what to do to remove axle to get clearance to get ...
2004 Lincoln LS 3.9L Cooling Systems VIN: 1LNHM87A94
The engine has not set any Engine over temp codes.. the engine temp hand will go high temp and the engine coolant will boil out of the degas bottle... The lower engine hose stays cold.. The cooling fan come on high and never stops.. No hot air coming thru the ...
2005 Mercedes-Benz S430 4Matic 4.3L Ecm VIN: WDBNG83J55
Hello imported techs, this is an unusual question. It only apply to techs who own a Launch X431 PAD. To make a long story short. I bought an X431 LAUNCH PAD thru Amazon third party. Up on activation all was fine until I realized that I was missing the envelope...
2006 Mercedes-Benz E350 3.5L compressor VIN: WDBUF56J86
Got this car from local Honda dealership.They put compressor on it form Mercedes i reset codes for low freon. the car cooled great for three days. Stop cooling sent it to Mercedes dealership they said bad compressor. So Honda puts another one on.Cools good for...
2006 Mercedes-Benz CLS55 AMG 5.5L No Start VIN: WDDDJ76X46
Vehicle came in with no start issue when cold. No signal to fuel pump when not starting. Tried relay still issue. Tried rear sam unit still No start when cold. Eventually will get signal after couple cranks... Any help much appreciated.
2006 Mercury Montego Luxury 3.0L transmission VIN: 1MEHM41156
Thanks in advance. I hate asking for help, but this one is eating my lunch!TCM has most current programming, flashed ECM with current program. I know com codes should be addressed first, but I'm trying to figure out the connection, also it doesn't always set c...
2012 Mini Cooper Countryman S ALL4 1.6L Air Bag VIN: WMWZC5C51C
Hello techs,vehicle in from rear end hit.air bag light on with code 9417 not clearing.discription in scanner is belt force limiter driver.i am guessing needs a tensioner.not telling me which side. Thanks in advance john g.
2009 Pontiac G3 1.6L Poor Idle Quality, Hesitation VIN: KL2TD66E39
runs poor on cold starts (no vac ) after about 1 min idles ok but wont accel properly Trouble codes: P0171
2003 Subaru Impreza WRX 2.0L vacuum VIN: JF1GD296X3
hey subi techs,help i get this wrx in.the guy rebuilt the motor at another shop and says it starts but wont rev up at all.if you crack the throttle it dies.when idling it sounds ok but off a bit.kicker is the vacuum guage reads zero at im thi...
2003 Suzuki Aerio S 2.0L mil lamp coming on and coming off VIN: SUZUK1L1AN
when driving the light comes on under 20 mp/h as you accelerate the light comes off
1999 Volkswagen Beetle GL 2.0L shift display VIN: 3VWBC21C1X
Came in on a tow truck with a bad cv joint. Axle was replaced and now vehicle won't start. No prior problems with starting. The shift display stays locked in D no matter where the shifter is moved. Shifter and cable both move freely. If key is turned off and s...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 BMW X3 3.0i 3.0L 4x4 traction light VIN: WBXPA93404
thanks for all the help guys., turns out esc/abs modules Always need to be coded to car when replaced.
2007 BMW 335xi 3.0L Hesitation, Surge VIN: WBAVD53547
thanks to all. I took off the throttle body and it had some carbon. the plate was open slightly so i did not move the position of it, I just cleaned it out with some carb cleaner and blew it out then hit it with some wd40. reassembled it and cleared codes. i... Trouble codes: 2CEC, 2CED, 2D09, 55C3, 5F77.
2005 Chevrolet Cavalier 2.2L No Start VIN: 1G1JC12F55
This Cavalier is gone. We put close to a hundred miles on it under many different conditions. Thanks for all the help. We think the new fuel and cleaning the tank had a lot to do with it.
2008 Chevrolet HHR LT Panel 2.2L No Start
i did the relearn a few more times and now it starts and runs perfect .
2001 Chrysler 300M 3.5L No Start, Stall
I thank everyone who replied, and apologize for leaving out important tidbit of info. Les [...] tossed me in right direction. I neglected to mention this was used engine installed by another shop. Cam timing&valvetrain design changed in 02 making this a repair... Trouble codes: P0340 (no cam signal at pcm).
2004 Dodge Grand Caravan SE 3.3L MIL Lamp on VIN: 1D4GP24R24
We took everyones advice and installed a chrysler O2 sensor and van is fixed.I had checked the build date to make sure this van does not use the update with a higher resistance sensor and 100% on time.Some replies said you do not have to do a battery disconne... Trouble codes: P0032, P0132, P0135.
2007 Dodge Sprinter 2500 3.0L Compressor VIN: WD0PE74507
Thanks for all the help,Turns out I was correct in getting two compressors with the same issue,installed a Denso reman and all works as designed,from now on denso only on these machines.P/S I am well aware of the red light on A/C off,besides that would not set...
1989 Ford F-350 Custom 7.5L Poor Fuel Economy VIN: 2FTJW35G3K
The customer called back today. There is a improvement in gas mileage. Looks like it was a few things, not just one problem. The list of what we replaced again : Catalytic converter (probably the most improvement), Oxygen sensor, EGR valve, and thermostat. T... Trouble codes: 33 (Egr).
1998 Ford F-150 Lariat 4.6L Misfire VIN: 1FTZX17W4W
Thanks for all who helped my post. Sorry for the late post, as I learnt this morning that the customer decided not to fix his truck, instead trade for new truck. Anyway, I do appreciated for the help./CMU
2001 Ford F-350 Super Duty Lariat 7.3L Drive VIN: 1FTSW31F81
Thanks to all for the support. The Trans builders know what happens to these and they were right. Pulling the VB down showed the three bolts to Center Support loose, and there was a good bit of sediment one the separator plate even after a good flush. We pulle...
2005 Ford E-450 Super Duty 6.8L Will Only Idle VIN: 1FDXE45S35
I thought I had already closed this. The problem was a weak throttle actuator. It could move the throttle plates with the engine off but didn't have enough to pull them against engine vacuum. Trouble codes: P2104 (TAC Forced Idle), P2112 (TAC Stuck Closed).
1996 Honda Civic DX 1.6L ?rotary air control valve VIN: 2HGEJ6342T
My thanks to all 21 technicians who submitted advice. After I removed, cleaned and re-lubricated the small ball bearings the car idles normally. For the benefit of other technicians the idle air control valve (IACV)on this model can not be removed without firs...
1998 Honda Civic EX 1.6L No start VIN: 2HGEJ8646W
Ended up being a bad ground on the side of the block. Thank for the help everyone.
2003 Jeep Grand Cherokee Laredo 4.0L Misfire VIN: 1J4GW48S23
Thanks for all the help/info. Went back and piggy backed noid light onto injector. Have good pulse. Swapped plugs around again. No change. Leakdown test and combustion gas test showed cylinder good as well. Informed the customer that the problem was mechanical...
2003 Mercedes-Benz C230 Kompressor 1.8L shifting VIN: WDBRF40J93
we removed the transmission and found the f1 and f2 spages broken, so what we think is that the transmission was skipping second gear all together and jerking in to third
2005 Mercedes-Benz C230 Kompressor 1.8L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: WDBRF40J35
Sorry for the delay, it was a vacuum leak. Thanks to all who helped. Adam Trouble codes: P0366.
2004 Mini Cooper 1.6L MIL Lamp on VIN: WMWRC33404
Thanks for your replies! We had tried to reset with a Snap-on scanner and a Launch without any luck. We Hired our Mobile guy to come with a factory tool and update the software as well as reset adaptations with the same results as us. The car sat here at the s... Trouble codes: P2097 (Post Cat 02 rich).
2000 Nissan Xterra SE 3.3L Oil In Coolant VIN: 5N1ED28T4Y
Thanks to you all again iatn has done it. most of you were right the oil leaking into the system was fixed when the last shop replaced the radaitor. the problem was that the system was not flushed so the systen would not cool. one of you mention useing merine ...
2004 Saab 9-3 Aero 2.0L warning chime VIN: YS3FH46Y84
I want to thank everyone for giving me your sorry to say I don't have fix for this car customer had to go home and decided to live with noise until she gets home.thank you all again.
1998 Saturn SW1 1.9L Egr VIN: 1G8ZG8285W
Thank you for your input. Drilled two holes in passage so I could get strong wire into area. Strong cleaners, elbow grease and its open. Plugged the holes and done. Thank you again.
2007 Suzuki SX4 2.0L imt valve VIN: JS2YB41397
The customer did not return, so I was unable to diagnose this problem. The one person that did offer help, was mildly rude, and did not provide any useful information. It definately was the IMT valve, and the ecm was definitely cycling it when it should not. I...
1999 Toyota 4Runner Limited 3.4L Misfire VIN: JT3HN87R1X
My apology for not closing this post early,I appreciate all 12 responders but unfortunately I was not able to fix the problem,all suggestion were very helpful.The decision I made is to pull out the Left cylinder head and find out from there,I gave it back to t... Trouble codes: P0302, P0304 (misfire number 4 cylinder), P0306 (misfire number 6 cylinder).
2002 Volkswagen Passat GLS 1.8L Starting VIN: WVWPD63B12
Thanks to everyone that sent replies. We checked all the lights everything that was talked about in all the posts everything looked good, this is a very clean car also. I did remove the drivers seat and carpet checked the comfort module and it was in a plast...
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