Automotive Technicians Technical Discussion and Fixes for Apr 7, 2014

Join Now

Prev	Professional Automotive Repair Technical Discussions for April 7, 2014 International Automotive Technicians' Network (iATN) - Members Only	Next
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models

	Help Request	Answers
	2005 Audi A6 Quattro 3.2L Misfire VIN: WAUDG74F25 Vehicle came in with a complaint of engine light flashing and traction control light on. Scan computer and found cylinder misfire #5. Replaced all spark plugs and replace cylinder #5 ignition coil with new OEM. Cleared trouble codes and drove vehicle. Under lo... Trouble codes: 00077, 00571	View
	2007 Audi A8 Quattro L 4.2L Air Suspension VIN: WAUMV44EX7 Vehicle came in down in front. Had codes 01400, 01769, 01577. Replaced front struts, compressor, relay and air suspension control valve. After those repairs were made vehicle started to come up but suddenly deflated and went back down. Only has code 01437(for ...	View
	2007 BMW 328xi 3.0L Halo VIN: WBAWC33507 First off, I am not very fluent in BMWs. Our normal BMW guy is away on vacation this week, so this 328i has fallen in my lap. The problem is that the Driver side "Halo" lights are not working. I have taken the cover off the headlight and found i am not getting...	View
	2004 Cadillac DeVille DHS 4.6L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1G6KE57Y54 First I would like to thank you for your time... original customer complaint was that the engine would just die with no warning while driving. had another so called mechanic work on it and actually made it worse. found one bad coil and another unplugged causi... Trouble codes: P0102 (Mass Air Flow MAF Sensor Circuit Low Frequency), P0107 (Manifold Absolute Pressure/Barometric Pressure Circuit Low Input), P0121 (Throttle Position Sensor 1 Performance), P1107 (MAP Sensor Circuit Intermittent Low Voltage)	View
	1995 Chevrolet C2500 Suburban 7.4L Excessive Emissions VIN: 1GNGK26N3S fuel trim @129 long. shot@128 fuel pressure 35psi. no exhaust leaks found. timing in spec	View
	2005 Chevrolet Colorado Z85 LS 3.5L Mechanical VIN: 1GCDS13605 Hi fellow techs. We are in the processing of removing the cylinder head 3.5l for a valve job the first time, We got the timing chain retention tool. The problem is that Mitchell on Demand does not show a clear picture or a way it's suppose to attach to the eng...	View
	2007 Chevrolet Silverado 1500 WT 5.3L 3023-atc T-Case VIN: 2GCEK13M77 Vehicle came in with concern of noise and binding when turning to left at 20 to 30mph in 2wd. Test drove truck and verified, felt like r/f wheel was trying to go into 4wd(on dry pavement) and you could feel the vehicle actually binding. Tried 4wd on dirt drive...	View
	2007 Dodge Ram 1500 ST 4.7L Misfire VIN: 1D7HU18P87 Hello and thanks in advance for taking time to read this. I have a 2007 dodge ram 1500 4.7 that initially came in for the CEL on. upon inspection found P0301 and tests showed to have low compression on the cylinder, leakage test showed to be leaking past intak... Trouble codes: P0300	View
	2011 Dodge Grand Caravan Express 3.6L heater VIN: 2D4RN4DG5B Good day guys and gals 011 dodge caravan that blows hot at all times on pass side only normal operation on drivers side as well as the rear heater ac unit. scan tool reads no codes present. can read data from hvac but it shows data from left side only--- launc...	View
	1998 Ford F-150 XL 4.2L oil pan VIN: 1FTZX1722W We removed the transmission on a 1998 Ford F150 4.2 automatic 2 wheel drive because they thought the rear main was leaking. After getting transmission out found it is the rear of the oil pan leaking. They say the engine has to come out. Does it really and if n...	View
	2003 Ford F-350 Super Duty XL 6.0L Cuts out, Misfire VIN: 1FDWF37P23 I got this truck in the shop the first time 3 weeks ago. It wouldn't pull itself. I had an icp code that would not let me run cylinder contribution. Icp was leaking. Replaced icp and ran cylinder contribution. #2 was dead. Ran relative compression, all looked ... Trouble codes: P0266	View
	2003 Ford Focus ZX5 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3FAFP37383 Help Ford Techs! This focus came in with multiple misfire codes for various cylinders and p0316- misfire during first 1000 rpm after start up. customer states it will misfire once started cold- mostly in cold weather. We replaced the coil, plugs and wires with...	View
	2004 Ford Explorer XLS 4.0L No Start VIN: 1FMZU72K24 This was dropped at my shop for a hub bearing. Went to bring in shop and it cranks but no start. THE CUSTOMER DROVE IT TO ME!! so I ca ll led the guy and ask if hes had any problems starting vehicle. He said no never. Well it hasspark but fpump dont run. It ha...	View
	2010 Ford Taurus SE 3.5L Unknown VIN: 1FAHP2DW9A Brake pedal fade/long brake pedal with engine running- brake pedal sinks way down at stop lights, with light/moderate pressure on pedal. Replaced the master cylinder- real motorcraft MC, flushed the brake fluid (power bleeder and manual, DOT4 brake fluid), was...	View
	1997 GMC C1500 Sierra SL 5.7L Hesitation, Stall VIN: 1GTEC19R9V Customer brought this truck in with a stall/hesitation when taking off from a stop.Problem started all at once ,there were no previous concerns. We did a complete tune-up since it had the oe wires, still had the stall.Checked cam retard [-6*], reset dist. and ...	View
	2003 GMC Sierra 2500 SLE 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTHK23U63 hello to all, i have cylinders 1,3 and 8 are missfiring. i have swapped fuel injectors and misfire did not move. when injectors where out inspected top of injectors and found no debri. blew out rail and nothing but fuel came out. swapped ignition coils. 1 and ... Trouble codes: P0300	View
	2003 Honda CR-V LX 2.4L Poor Idle Quality, MIL Lamp on the cam an the crank sensor was replaced and the check light is still on and the diagnostic is still saying cam positioning sensor Trouble codes: P0134	View
	2007 Hyundai Entourage SE 3.8L front VIN: KNDMC23367 I need some guidance on this one gentlemen. I have this blue Hyundai which exhibits an intermittent vibration from the front only under acceleration. This vibration is strange. It is not always able to be duplicated. It is not always the same and varies in ...	View
	1995 Jeep Grand Cherokee Laredo 4.0L abs VIN: 1J4GZ58S0S having trouble getting brake pedal on this jeep. bleed systom manualy then tryed to bleed with scanner but get no communication, i have power on pin 33 of the module, i ohmed all the inlet and outlet valves on the pump motor, all ohmed ok, (there is a posted f...	View
	1997 Jeep Wrangler SE 2.5L No Start VIN: 1J4FY29P0V hello we have a 97 wrangler towed in no start. it was running they shut it off sat for a day then wouldn't start. I have no spark and no fuel. connected the scanner but couldn't communicate. I then checked for 5 volt ref and had none. so I went and disconnecte...	View
	2003 Lexus GS300 3.0L Daytime running lights VIN: JT8BD69S33 Customer had to jump car at their home. We checked battery and alt, both checked OK but at low end of range. Replaced battery + alt at customers request. Noticed daytime running lights won't shut off and dash lights stay on. Also power windows work with key of...	View
	1987 Mercedes-Benz 560SL 5.6L No Start, Poor Idle Quality, Stall Car was towed in.Customer stated the car sat for about a year due to this problem.The car will start and run perfect until it gets warm.The car will stumble and die.It will restart but will not rev up.I can spray carb cleaner in it while I am trying rev it and...	View
	2000 Mercedes-Benz CLK430 4.3L airbag VIN: WDBLK70G4Y hello,this is a first time customer with a real nice 2000 Mercedes clk 430 convertible.the airbag light is on ,so I pulled code 34,"digital crash output wiring faulty".this is a new one on me.I have never seen this code beforeand alldata has absolutely zero in...	View
	2002 Mercedes-Benz ML500 5.0L Cuts out VIN: 4JGAB75E02 This vehicle came to me needing a tune up service by age and mileage. The customer also stated that the vehicle had a sticky throttle. The MAF sensor was replaced prior to the vehicle coming to me, to solve a no start. On a road test, I observed a severe cut o... Trouble codes: P20D4	View
	2008 Mercedes-Benz GL550 5.5L warning light Hello everyone, this car is new to us but came in with brake pad low warning message , some one has recently replaced pads , rotors and ,sensors,I checked the sensors , they seemed ok but I put new ones in anyway, road tested the car and all seemed fine the ow...	View
	2006 Mercury Grand Marquis LS 4.6L seatbelt light / low fuel light VIN: 2MEHM75V86 I test power & grounds (loaded circuits)to ICM- at times I have a B1318 (low voltage) ICM fault code, clear code goes away and might come back. I noticed the RCM reads belt buckled or unbuckled all the time correctly no matter what the light is telling me, BUT...	View
	2004 Mitsubishi Outlander LS 2.4L MIL Lamp on VIN: JA4LZ31F44 Came in with MIL on P0401. Insufficient EGR flow. This EGR system is completely electronic, the EGR valve the stepper motor type and the MAP sensor is supposed to detect a change in the manifold absolute pressure and interpret this change as EGR working. We re... Trouble codes: P0401 (Insufficient EGR Flow Detected)	View
	2009 Pontiac G3 1.6L No Start VIN: KL2TD66E89 Question for you GoodWrench dealer guys or anybody who has Tech 2 with Tis to Web subscription. Got this 09 Pontiac G3 that needs a new PCM. It is a Daewoo vehicle. Is programming the Daewoo vehicles just a normal GM programming procedure or is it different li...	View
	2009 Pontiac G3 1.6L No Start VIN: KL2TD66E89 Question for you GoodWrench dealer guys or anybody who has Tech 2 with Tis to Web subscription. Got this 09 Pontiac G3 that needs a new PCM. It is a Daewoo vehicle. Is programming the Daewoo vehicles just a normal GM programming procedure or is it different li...	View
	2004 Porsche Boxster 2.7L Misfire, Vibration VIN: WP0CA29844 Hello Porsche Techs, We have a car that has 81,723 miles and it has never had a clutch. We have misfire codes on one bank (# 2) only. We have a bad vibration at 3K RPM(Only)and it feels like a flywheel that is out of balance. We don't have slippage from the cl... Trouble codes: P0300 (Misfire Detection), P0306 (Misfire cylinder 6), P0304 (Misfire cylinder 4), P0305 (Misfire cylinder 5), P0174 (Oxygen sensing adaptation idle range bank 2)	View
	2009 Smart Fortwo Passion 1.0L MIL Lamp on VIN: WMEEJ31X39 we have looked into this atleast 3 different times. replaced the plugs and air filter. per techline bulletin. all readings look good fuel etc. cleaned the throttle body today. it was gummed up.air filter looks clean. i see no reason for this code to keep reset... Trouble codes: P2177	View
	2005 Subaru Outback R L.L. Bean Edition 3.0L Backup lights VIN: 4S4BP86C15 Car is here for state inspection. Rev lights inop. Bulbs, fuses OK. Quick visual check of wiring at tailgate, no obvious issues. Allegedly, the 5 speed auto has a dedicated inhibitor switch for backup lights. Most of the wiring goes into the casing, but I see ...	View
	1999 Toyota Corolla CE 1.8L No Start VIN: 1NXBR12E0X Hello my friends.I am pulling my gray hairs out on this one.Let me start from the beginning.I was hired to verify if this motor was bad or not.It has always started and ran,but had rough idle and strong fuel smell and vapors out of the exhaust.It was running v...	View
	2010 Volkswagen Jetta TDI 2.0L Reverse VIN: 3VWPL7AJ5A So I have quite a headache over this DSG transmission... I wish I had realized this transmission had a checkered past before I ordered the valve body for it, but its too late now. The problem presents its self when engaging reverse as it does not always sta...	View
	2010 Volkswagen Jetta TDI 2.0L Misfire, MIL Lamp on VIN: 3VWPL7AJ9A We have this jetta that for the past 40,000 miles the customer has had the check engine light on and off. We have cleared the code a few times for him but now he is ready for us to diagnose. We have the vag com system but have not really started to diag the ve... Trouble codes: P0272 (Cylinder 4 contribution fault)	View
	2004 Volvo XC90 2.5T 2.5L Rear Brakes VIN: YV1CZ59H84 vehicle first came to me for front and rear brake job and that Ebrake would not hold vehicle while on a hill on customers property. we replaced all ebrake cables and shoes and performed TSB for updated e brake spring. customer has returned now twice becuase Eb...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1991 Audi 200 Quattro 20v Avant 2.2L MIL Lamp on VIN: WAUHE5445M The replies varied from this 2324 code relating to the MAF or the ground for the ECM. With the help of Identifix we found a 12v key on power missing at the ECM. This ended up being a relay muissing in the main fuse box up under the left dash area. We could not... Trouble codes: 2324.	5
	1986 BMW 325es 2.7L Clutch release bearing Thanks all for the information. I never did find the "exact fit" throw out bearing as what was taken out. So I reluctantly installed the bearing we got and put it all back together. It works perfectly fine...for now. My concern is longevity. We shall see. ...	13
	2002 Chevrolet Camaro 3.8L Cuts out, MIL Lamp on VIN: 2G1FP22K12 THANK YOU AL [...] FOR YOUR INPUT. CUSTOMER TOOK CAR & WAS NOT HAPPY BUT UNDERSTOOD.MAY OR MAY NOT SEE IT AGAIN.THE CAR HAD AN AFTER MARKET CAT ON IT,JUST BOUGHT A COUPLE OF YEARS AGO.I TOLD THEM IT WAS NOT CALIFORNIA LEGAL.THANKS AGAIN. Trouble codes: P0420.	19
	2004 Dodge Ram 1500 ST 4.7L Poor Idle Quality VIN: 1D7HU18N44 Hi guys! I want to thank everyone for their help. Most replies felt it was a vac leak as it turned out it was. Truck stopped would idle at 750 rpms. Desired idle is 600,so it actually was idling faster than it should. Just not fast enough to set an alarm o... Trouble codes: P0507.	10
	2008 Dodge Nitro R/T 4.0L Stall VIN: 1D8GUE8698 Ok techs, thanks for all the help. weve gone thru this vehicle applying all the directions received and found no problems. Stalling is very intermittent, one week it goes without, the next it stalls 3 times in 10 minutes. I suspect a damaged TIPM unit. We se...	11
	2000 Ford Mustang 3.8L unintended accelerat VIN: 1FAFP4043Y Customer has not returned. I've been his mechanic for years so if the problem had returned I know he would have called me.Possibly it was the carpet which he threw to the other side. I agree with the posters who suggested that to get the tac to peg it is m...	8
	2003 Ford F-150 King Ranch 5.4L Poor Idle Quality, MIL Lamp on VIN: 1FTRW08LX3 Thanks to all that Offered help. After checking for vacuum leaks over and over again and looking at all coils and injectors, I wanted to tear down to look at timming chain. Customer did not want to go any further. So im unable to see for myself what the true ... Trouble codes: P0174, P0316.	16
	2004 Ford Taurus SE 3.0L B2 Catalytic Converter VIN: 1FAFP58U84 First of all, as a first timer requesting help, I would like to thank everyone who replied. All of the information you provided me with was helpful, not only for this job, but for the jobs sure to come in the future. I performed a leak down test as most of you...	25
	2006 Ford Five Hundred SEL 3.0L No Start, Cuts out, Stall VIN: 1FAFP241X6 Fixed was wiring that plugs into crank shaft position sensor. One of the wires in the harness connector had backed away from the CS pin. I don’t know why the car had an intermittent no cranking problem. But that just stopped being a problem. It just went ...	3
	2008 Ford E-250 5.4L none VIN: 1FTNE24L58 My belief is a short to ground in harness or faulty cluster.I will update once customer returns.	5
	2009 Ford Fusion SEL 3.0L MIL Lamp on VIN: 3FAHP02189 We'll I fixed it and without too much trouble. The terminals in the solenoid connector wern't making good enough contact. While monitoring the voltage coming out of the connector on the PCM wire I could watch the voltage drop out while wiggling the connector. ... Trouble codes: P0020 (INT Cam Position ACT circuit open Bank 2).	6
	2003 GMC C5500 Topkick C5C042 8.1L propane tank VIN: 1GDG5E1E03 replaced crossover valve near front of vehicle. apearantly valve was stuck open allowing propane to bleed back into reserve tank.	3
	2007 GMC Sierra 2500 HD Classic SLT 6.6L communications VIN: 1GTHK23D27 Replacing the transfercase control module fixed this truck, had an internal problem interfereing with the data line, installed module and had dealer program it and all is well now,	4
	1997 Jeep Grand Cherokee Laredo 4.0L ignition VIN: 1J4FX58S7V hey guys, the PCM was bad, did the tap test before but showed no problems. pulled the pcm away from the firewall and flexed in my hands...bam! dies every time. thanks for the input guys!!!	16
	2002 Nissan Altima S 2.5L abs Cleaning the hub mating surface area on both back hubs was the fix. Thanks for all the help! The corrosion build up was causing sensor air gap to be to big.	5
	2004 Suzuki XL-7 LX 2.7L transfer case VIN: JS3TX92V34 This was an interesting problem because I received only 1 response so, I called a couple of dealers & they had never had an issue with the electronic transfer cases. I disconnected the switch in the dash & the transfer case went into gear & the light on the da...	1
	2006 Toyota 4Runner SR5 4.7L Driveline VIN: JTEBT14R86 After replacing all 4 U-Joints and having the owner drive the truck, he felt like it was better and that he could live with the remaining shaking. It has got to be a bad bearing in the front diff or transfer case, we just could not isolate it other than the fa...	15
	1999 Volkswagen EuroVan GLS 2.8L transmission VIN: WV2KH2701X I'm going to close this because I am running out of time on my post. Last time I talked to the transmission shop that has the vehicle they had ordered a used tcm to try. If we ever resolve this issue I will update my post to let you guys know. Thanks, A...	7
	2005 Volkswagen Jetta GLS TDI 1.9L No Throttle Response VIN: 3VWSR69M95 I have a factory CAM coming because I have little to no info on aftermarket cam shaft. I will re-post if there is still a issue. Thanks to everyone that replied.	13

(Also Available: All, Asian, Chrysler, European, Ford, GM.)