× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 23, 2015
International Automotive Technicians' Network (iATN) - Members Only
(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 MIL Lamp on VIN: WAUDG74F55
Hello everyone,I have a problem audi here and it's driving me crazy.Vehicle came in with a 18728 fuel pressure reg valve code after some research we replaced the high pressure pump on the left cylinder head.Thought every thing was great,light came back two day... Trouble codes: P2296 (18728 Fuel pressure regulator valve)
2007 Audi A4 2.0L Mechanical VIN: WAUAF78E67
Hi every one, I need some help with this vehicle, vehicle came in on the tow, Customer concern engine is making noise, we start the engine and we notice that noise is coming from the top of the engine like the oil is not coming up to the valve and camshaft but...
2008 Audi S6 5.2L MIL Lamp on VIN: WAUDN74F98
Used car lot vehicle.came in with mil onfor p0014 code.when engine cold runs little rough and somewhat noisy.clear out after 1 min.we swap the bank 1 exhaust cam solenoid with intake and road tested. No codes. Let it sit over night drove it again. Now sets cod... Trouble codes: P0014 (B1 cam position timing over advanced or system performance), P000D
2007 BMW 525i 3.0L Dynamic Drive VIN: WBANE53517
Hello BMW Techs, Ok, we have codes for the Dynamic Drive Code: 5D65 Position, direction valve / Code: 5D6C Startup valve block faulty. We checked all the fluid feed hoses to the valve block for the Dynamic Drive valve block and there isn't a blockage or intern...
1989 Buick Riviera Luxury 3.8L Cuts out, MIL Lamp on VIN: 1G4EZ11C3K
Fellows iatn members; I have one that I have never seen before and ask for help. This 1989 Buick Riviera, is the one with on-board information center and touch screen operation. I have no instruction manual for it. The check engine light is on, and none of my ...
1997 Chevrolet Monte Carlo LS 3.1L collasped fuel tank VIN: 2G1WW12M8V
fuel tank imploded, yes like a crushed beer can. now 1/2 the size and the fuel straps cant hold it like they should. A month ago I had a p0440 code and found the vacuum sorse at the throttle body leaking so I put a new emmision hose/PCV/and a gas cap. no more ... Trouble codes: P0440
2011 Chevrolet Silverado 2500 HD LTZ 6.6L No Start VIN: 1GC1KYE89B
The truck will start and run fine on a cold start. However once the truck is around operating temp and shut off it fails to restart. fuel rail pressure during cranking only goes to 1500 psi at best. the fuel filter prime bulb pumps till hard and quickly goes a...
2007 Chrysler Town & Country Touring 3.8L Airbag VIN: 2A4GP54LX7
Hello, Looking for a little advice on this one, can"t seem to find any information on the troubles we are having with this vehicle. The vehicle actually came in for an unrelated repair but the key was left on overnight and killed the battery. Once we charged t...
1991 Dodge D350 5.9L Excessive crankcase pressure VIN: 1B7ME3689M
Original issue was oil in coolant. Tested oil cooler, good, so replaced the head gasket. Did not see anything wrong with head gasket. Same problem after repair. Sublet pressure test of oil cooler to different shop. They confirmed it was leaking. Installed afte...
2011 Dodge Nitro Heat 4.0L Misfire, MIL Lamp on VIN: 1D4PU4GXXB
This problem started after replacing cylinder head to repair a miss due to bad valve and seat in cylinder #5. The other head was sent out and checked for cracks, warpage and had valves ground. Got it back together and now have a miss at idle, turns flashing se... Trouble codes: P0300 (Random missfire)
1995 Ford F800 5.9L Stall VIN: 1FDNF80C4S
190 hp b. truck has erratic fuel pressure,checked for air in system,checked for broken injector,pickup and tank are clean. flow control valve pops off at 25 psi.changed transfer pump thought a check valve might be sticking , engine stalls on decel, should ment... Trouble codes: NA
1999 Ford F-550 Super Duty XL 7.3L Cuts out, Misfire VIN: 1FDAF57F3X
Hey First Time Posting on Iatn so bear with me. 1999 ford f-550 service truck, has a slightly rough idle with a hard knock/misfire at 1600-2000 rpm. Had codes for Cyl contribution balance on cyl 1 and 7. Found solenoids rattled loose from extended running with...
2003 Honda Civic LX 1.7L brake pedal VIN: 2HGES16553
hello I have a 2003 Honda civic with high miles there is a pop when the brake pedal is depressed it feels like it is in the pedal assembly I removed the brake light switch and there is no change if anyone has seen this or has any advice on what to look for ple...
2005 Jaguar XJ8 4.2L timing chains VIN: SAJWA79C25
ok so we replaced the timing chains tensioners and vvt carriers and actuators on this 05 jaguar xj6 with the 4.2 v8 about 5 months ago and it has came back in today with a rattle on start up cold there has only been 3k miles put on car however i did find out t...
1999 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4GW58S5X
vehicle came into shop as a no start, no trouble codes stored. vehicle had good fuel pressure, good compression, and good injector pulse. removed ignition coil and found spark only on 2 cylinders. managed to get vehicle to idle on 2 cylinders but did not idle ...
2003 Kia Sedona EX 3.5L no start VIN: KNDUP13103
Good morning to all. This vehicle came in on the tow. It had a seized water pump. It did start long enough to drive into the shop and have a block test done on it. Block test showed green. Got the ok to do head gasket, water pump and timing belt. Went to driv...
2012 Lexus IS250 2.5L no ignition VIN: JTHBF5C22C
Guys need your guidance with this push to start ignition system that I'm not very familiar with this car came running for body work (rear bumper) the body man disconnected the battery did therepair and now that his done it won't start- the lights on the cluste...
2011 Mercedes-Benz ML350 3.5L Wiper motor VIN: 4JGBB8GB0B
The front wipers are not working the rear one is and the wiper fluid is working to check the fuse and relays are good unplug the motor and put power to it and put a new switch on it and it still isn't working help!!!
2009 Mini Cooper S 1.6L Stall, Misfire, Hard Start after sit VIN: WMWMF73539
Vehicle came in with poor idle and hesitation. Found VANOS solenoid jammed with debrie and replaced it. Idled much better. Checked timing by locking crank and cams with tool, found chain had stretched and upper guide was broken. Replaced timing chain and guide...
2004 Mitsubishi Galant LS 3.8L Cooling Systems VIN: 4A3AB36S14
Is this engine an interference Engine gates says yes some forms say no can't find on ALLDATA has loose timing belt and melted radiator cap port GOT HOT Thanks Scott
2001 Nissan Maxima GLE 3.0L Surge VIN: JN1CA31D91
Vehicle came in with just a P0505 and idle would not move, ran ok, struggled a little in drive with A/C on. Found IAC shorted, visual inspection showed burnt spot in PCM. Replaced IAC and had PCM repaired. Now all I get is a idle surge, 1500 - 2200 rpm. Do idl... Trouble codes: P0505
2002 Subaru Impreza WRX 2.0L Hesitation, Cuts out, Misfire VIN: JF1GD29672
Unplugging MAF sensor makes it run normally, tried a known good OEM MAF with no change. It would seem that it still has a bad MAF but a total of three new have been installed with zero change. Trouble codes: P0171 (System lean), P0301 (Cyl 1 misfire), P0302 (Cyl 2 misfire), P0303 (Cyl 3 misfire), P0304 (Cyl 4 misfire)
2003 Subaru Baja 2.5L Oil Consumption VIN: 4S4BT61C03
Has anyone seen oil consumption problems on these cars
2002 Toyota Sienna LE 3.0L Surge, Cuts out VIN: 4T3ZF13C32
When fully warmed up this van will start bucking/surging on a slight decell around 45mph high gear, converter locked, 1600rpm's. On a test drive I noticed that if ran up to 55-60mph and lightly lifted off the throttle, but not completely off (same slight decel...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 Acura TL 3.2L No Start, Misfire, MIL Lamp on VIN: 19UUA5663Y
seems like it is fixed! we replaced the fuel pressure regulator. Note: there are 2 different regulators listed for this car, one has a BLACK DOT - increases pressure 10 psi. Problem seems to be fuel percolation in the rails during hot soak - we pinched off the... Trouble codes: P1399, P0301, P0304, P0170, P0171.
2005 Audi A6 Quattro 4.2L Misfire VIN: WAUDL74F75
I change spark plugs and the coil packs!!! And that got reed of misfire Trouble codes: P0202 (Number 2 injecter), P0302 (Number 2 misfire).
2003 BMW 330xi 3.0L power door locks VIN: WBAEW534X3
Thanks to all who replied.Pat was very helpful with the info. on gm module and where to get it fixed.Sent module off and all is well now.Thanks again Mark
2003 BMW 325Ci 2.5L instrument cluster VIN: WBABS33453
instrument cluster was the problem sent it out and had it repaired all is working know and have communication with all modules now thanks for the help
1993 Chevrolet Astro 4.3L 2-3 shift VIN: 1GCDM19Z8P
I received some helpful replies but nothing that I could really do myself because I either didn't have the proper scanner or specialty tool. I am also having a time issue where its difficult to dedicate a lot of time to this vehicle opposed to cars that are ma...
2001 Chevrolet Silverado 2500 HD 6.6L Excessive Emissions, Blue smoke VIN: 1GCHK23181
I would like to thank everyone that stepped up to help me. As I previously stated, I was not familiar with the Duramax Diesel platform. All of your replies taught me a lot which will be helpful down the road. The customer doesn't want to replace all of the inj...
2005 Dodge Ram 1500 Hemi Sport 5.7L Leak
Thanks for the good information. This vehicle belongs to one of my post secondary students and I read all of the good posts to the class as a promotion for IATN. With all of the good recommendations to use OE parts; he still decided to go with aftermarket.
2010 Dodge Ram 1500 SLT 4.7L Instrument Cluster VIN: 3D7JV1EP0A
2009 Ford F-350 Super Duty FX4 6.4L Front suspension VIN: 1FTWW31R79
We ended up make a minor adjustment to the drivers side caster to make it match the passenger side. John [...] said this must be exact or it will act up. We still had the problem. The tech working on it swapped his tires and wheels and the problem was gone. We ...
2005 Honda Pilot EX 3.5L subframe bolts VIN: 5FNYF18535
Thank you to Dave, William, Edward, and Alex. (and someone else who confirmed the bushings are available separately). I do not have access to the electric inductor. I have used one in the past and it they do work surprisingly well! So as I got further ...
2009 Hummer H3 3.7L Tpms VIN: 5GTEN13E39
Finally got this one fixed. The fix is almost silly, and I still can't say I get it: I reprogrammed the TPMS for P tires at 30PSI as per the door sticker. Even though I have E rated tires, apparently there is something about this that didn't work out. Maybe it...
1989 Jeep Wrangler 2.5L Poor Idle Quality, Stall VIN: 2J4FY19E9K
THE FIX: fuel pressure just low enough to cause this strange idle and stall. HOW WE FOUND IT: pinch of the return (as was suggested, thank you!) to boost fuel pressure and recheck. This worked perfectly. Fortunately our issue was constant and not intermittent....
2008 Kia Rondo LX 2.7L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: KNAFG52688
I need to close this post due to time requirements but I want to update as much as possible. A cyl leakdown test confirmed a front bank problem. I had air leakage past the exhaust valves. I pulled the cams and it sealed up, so the valves are not bent. I pu... Trouble codes: P0300, P0302, P0304, P0306, P0018.
2006 Lincoln LS Sport 3.9L Hesitation, Cuts out, Misfire VIN: 1LNFM87A36
Found broken vac line to the fuel pressure regulator cleverly hidden under convoluted plastic tubing, also found leaking vent line from rt valve cover to intake (hose is barely available) The leak actually got worse as engine heated up.. fixing the fitting at ...
1986 Mercedes-Benz 560SEL 5.6L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: WDBCA39D9G
Huge thanks to all who chimed in!! Steve hit this one right on the head as well as a few others. The mixture screw was away out of adjustment. One the mixture was correctly set the car ran great. Just a few minor adjustments. Thanks again everyone for the grea...
2002 Mercedes-Benz SLK320 3.2L radiator fan VIN: WDBKK65F02
I scanned this vehicle for a local used car lot and told them it "might" be a fan module but I'd have to run pinpoint circuit test to confirm as I was getting an open circuit code in the radiator fan circuit. They didn't want me making a profit on the parts s...
2000 Nissan Maxima GLE 3.0L water pump
Not a lot to add, the customer decided to take the vehicle as is and it's still going. I'm going to assume one of the plastic guides on the chain is moving at times and causing the noise. Wish I knew for sure.
2003 Saab 9-3 Arc 2.0L Ignition Lock VIN: YS3FD49Y03
Jim and Kevin you guys are awsome and your advice helped solve this. Jim said "you cannot replace both modules at once" that was right. Kevin helped me with part numbers verification and procedure. We reinstalled the old CIM even though it didn't work and t...
1997 Toyota Previa DX 2.4L cooling system VIN: JT3GK12M4V
Removed water pump to inspect impeller. Found impeller missing one fin. Replaced water pump. Problem solved.
2003 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSE69M33
Well after finding nothing wrong with the pickup screen and reading about all the problems guys have had with the aftermarket tensioners I decided that the chain tensioner was probably defective.The customer found the part on the internet for less than half o... Trouble codes: P0012 (Intake cam over retarded), P0328, P0333, P1325 (knock control cyl 1), P1327 (knock control cyl 3).
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next