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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 9, 2014
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Audi A6 Quattro 3.2L Timing VIN: WAUDG74F25
AUDI techs!!! Need to get some info on this audi 3.2 fsi that this shop has been married to for the last year. Customer had the chain tensioners failed on him which caused bent valves. Tech that used to work here pulled the motor and did a complete overhaul of...
2003 Buick Regal GS 3.8L Crank No Start VIN: 2G4WF52163
Vehicle came in on hook, crank no start. No codes listed in all modules. No RPM, CKP, or CMP activity from scan tool. Tested for voltage and ground at the ICM, had power and ground all day long. Found out power was not being fed from the ICM to the CKP/CMP as ...
1996 Cadillac DeVille 4.6L Keyless entry VIN: 1G6KD52Y5T
The car came in 1 year ago with keyless entry inop. I replaced the keyless entry module in the trunk and it's been fine till now. Most of the time it works but 10% of the time it won't. When it doesn't work, the tech 2 doesn't show it is receiving a fob signal...
2001 Dodge Stratus SE 2.4L Cuts out, Misfire, MIL Lamp on VIN: 1B3EJ46X11
This car has a P1391 code with an engine that runs rough like it has a misfire and the SES light is on. Someone else has replaced the coil, plugs, wires, cam and crank sensors and they did not fix the problem. I reset the cmp cpk sync with my scan tool but th... Trouble codes: P1391 (Loss of cmp cpk signal)
2003 Ford Windstar LX 3.8L lights locks VIN: 2FMZA51423
Good evening all I am working on this windstar ,it has no brake lights no taillights no rear turn signals no door locks rear hatch doesn't open rear door or rear window doesn't open,fuses are all good but fuses under dash by emergency brake on one side of the ...
2003 Ford Explorer XLT 4.0L air leak VIN: 1FMZU73K83
Thanks for you time... I have my brothers Ford Explorer 2003 that has an air leak/ draft at passengers feet area while driving. I suspect fresh air flap issue... Can look up behind glove box with a mirror and see recirc door servo move when controls switched b...
2004 GMC Sierra 3500 6.6L glow plug module VIN: 1GDJC34204
good morning community, we had this truck arrive for major front end work and at the end of it the owner asked me to check the mil. found code 113 (intake air temp), and found to be at -40. tested all circuits and determined that the sensor is no good. now the...
2004 Infiniti FX35 3.5L Communication To Control Modules VIN: JNRAS08U54
I have a 2004 fx35 with fault u1000, no communication to transmission control module, rear view camera does not work, no reverse lights and transmission is stuck in fail safe mode. I have checked all fuses and power and grounds, cleaned all engine grounds, che...
2005 Infiniti G35 3.5L Seat Swutcg VIN: JNKCV51E95
So I need a seat switch for this infiniti. Driver side no problem passenger side dealer is saying I need the seat bottom and they want 2500 bucks. Tried cleaning the contacts with no luck. Got a switch from a coupe but apparently the wiring is the same but the...
2004 Jeep Wrangler Sahara 4.0L oil VIN: 1J4FA59S44
jeep came in with oil smelling of fuel. checked everything:compression, vacum, pcv, injectors, fuel pressure, cylinder leakdown, trims are good, no misfire. where could raw fuel smell be coming from. have seen threads on other sites with similar complaint, but...
2003 Land Rover Range Rover HSE 4.4L Excessive Emissions
In December of 2013 this Rover was brought in spewing smoke from the exhaust. So much smoke you couldn't see behind you. I found the crank case ventilation system had failed and oil was being introduced into the intake. Replaced all hoses, cyclone seperator, a...
2001 Lexus RX300 3.0L DLC No communication with PCM VIN: JTJGF10U21
No communication between the DLC connection and the ECM. Had a problem communicating with BCM and ECM, went through the ground junctions and found one had a bad coonnection. cleaned all grounds and tightened. Car now has communication with a scanner to the BCM...
1994 Mazda B4000 SE 4.0L Excessive Emissions, Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4F4CR13X0R
This is my plow truck,and it sits around most of the time.it came due for inspection,and it failed two speed idle test.idle is great,but once the throttle is cracked open it starts stinking up a storm!for awhile now it has intermittently stumpled/misfire while... Trouble codes: 117 (Cts low volts), 172 (Lean bank 1), 173 (Rich bank 1), 543 (Fuel pump secondary), 512 (Kam test failure)
1999 Mazda Protege DX 1.6L Special Tool for drive axles/side gears VIN: JM1BJ2220X
Vehicle came for a clutch, was slipping pretty bad. We have it almost out and just not sure: Mitchell says to remove the long axle and intermediate shaft you need a tool #49 G030 455. My ? do you really need the tool? or can bad things happen to the side gea...
2008 Mazda 6 i 2.3L MIL Lamp on VIN: 1YVHP80C48
Thanks in advance. Codes P2097 Post Cat Rich, P2177 Lean of Idle and P2187 Lean at Idle. Clear codes but they return on test drive. Purge solenoid has been replaced and tested. Checked for vacuum leaks, none found. STFT 25%, LTFT 5.0%. MAF seems to be right an... Trouble codes: P2097 (Post Cat Fuel Trim Rich), P2177 (Lean Off Idle), P2187 (Lean at Idle)
2007 Mercury Montego Premier 3.0L Mechanical VIN: 1MEHM43187
To start off I'm not a tranny guy.I have this Mercury Montego in the shop that is making what I would call a "whine" in park and neutral only.There is also a p0942 code for hydraulic pressure unit.I tried to clear it but it comes right back.Driving down the ro...
1987 Nissan D21 2.4L wont rev VIN: 1N6ND11S7H
Vehicle came in with the fan thru the radiator. Swapped engines with a NICE junkyard engine that was previously rebuilt, still has paperwork on it and looks great. The engine acts like it has a rev limiter on it. Wont rev more than 2400 or so. I checked othe...
2006 Nissan 350Z 3.5L clutch pedal
Vehicle towed to us with clutch pedal to the floor. Removed transmission found the clutch disc melted to the flywheel, throwout bearing seized, and almost black fluid in the clutch master cylinder. Customer states she got stuck in 2 feet of mud and tried her b...
2007 Nissan Xterra X 4.0L vvt system VIN: 5N1AN08U37
This truck came in with a noise we diagnosed it as and replaced the secondary timing chain tensioners and guides. We only replaced the tensioners and guides for the secondary chains along with the timing cover seals and cover plates. All other chains and guide...
2006 Porsche 911 Carrera 4 3.6L MIL Lamp on VIN: WP0AA29956
Hi all in IATN land. Thanks for taking time to rear this post. I need test info and location for the canister vent valve. SomeData and Mitchell have nothing. I have been on some forums that say it's behind the right front wheel well but my tech was there and s... Trouble codes: P0447
2000 Subaru Outback 2.5L AT Light/TCM VIN: 4S3BH6755Y
First, is there anything else I should check before replacing the TCM? If not, I'm looking to give customer choice of used TCM. Used is $110.00 my cost vs $495.00 from dealer. NPC (sells reman computer) does not carry one. Any problems with installing used uni...
2001 Toyota Sienna LE 3.0L Oil Light VIN: 4T3ZF13C41
Thanks in advance. This sienna comes in complaining that she had to have it jumped because the battery was dead. now when the key is removed from the ignition switch the cluster stays lit until you use the turn signal switch then it all goes blank until the ne...
2003 Toyota Highlander 2.4L engine VIN: JTEHD21A53
Removed cylinder head and sent to machine shop. Head was no good so a cyl head from a Toyota Camry was rebuilt, using the original camshafts from our Highlander. New timing chains and gears were installed, as well as a new water pump; Iridium spark plugs; and ...
2007 Toyota Tundra 4.7L Misfire, MIL Lamp on VIN: 5TFJT52137
Most of pertinent information is in repair description. Trouble codes: P0300 (Multiple cylinder misfire), P0302 (Cylinder 2 misfire), P0304 (Cylinder 4 misfire), P0308 (Cylinder 8)
2003 Volkswagen EuroVan MV 2.8L right turn signal VIN: WV2EB47093
Dear fellow techs I have this euro van west falia camper that the right turn indicator and bulbs stay on always . Key on or off. Left works correctly. 4 way comes on but does not flash. Disconnected 4 way switch and still on. disconnected turn signal switch sa...
2006 Volkswagen Jetta TDI 1.9L A/C compressor VIN: 3VWST71K46
Hello! I'll start off by saying that I'm a BMW guy who's new to the VW/Audi, and I'm hoping that some of the VW experts can bless me with some of their knowledge. This is my first help request on iATN, so :=) Please excuse my lack of VW knowledge. I've tried ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Audi A4 1.8L Top VIN: WAUAC48HX5
Sorry it took long to close it , we were waiting on the bow switch to come, install new one & top works like a charm
1988 Buick Century Custom 2.5L Stall, floods VIN: 1G4AH51R7J
So I guess i should close this. Thanks for all the responses (36)I'd like to thank, Timothy from Wisconsin, Kent [...]. who seemed to understand the best. i wish i could've updated again but didn't have that option. With new pcm installed. ran good for 1...
1979 Cadillac DeVille 7.0L engine
Returned the engine to the rebuilder. Informed him of several members noteing about the lack of a oil feed chamfer on the front cam bearing. The rebuilder informed me that the oiling issue as been resolved. Reinstalled the engine without any problems. Thanks ...
1987 Chevrolet Corvette 5.7L Clutch VIN: 1G1YY2187H
The actual problem is two fold. First, When we changed the clutch master and slave cylinder, The replacement slave went bad and got replaced again. Secondly, the tech we work with, never bother to flush the system again with the new hydraulic hose. Thus killed...
2004 Chrysler Sebring LX 2.4L Cruise control VIN: 1C3EL46X84
Thanks for the replies. Speedo was accurate, speed info on solus pro was not. I decided not to trust the scan tool speed info and dug deeper. Turns out the vac solenoid in the cruise controller was allowing vacuum to leak and continue adding throttle until ven...
2008 Dodge Charger SE 2.7L Shift VIN: 2B3KA43R98
This car is finally fixed. After more thorough inspection, we didn't find any physical damage or concern so we tried another PCM and sure enough fixed the problem. Like Andrew pointed out, I believe that this car already had this problem before the engine repl...
2010 Dodge Grand Caravan SE 3.3L MIL Lamp on, Runs Poorly VIN: 2D4RN4DEXA
I'm sorry that I have not closed this post sooner. The reason is that after clearing the codes the second time, they have not returned. As I stated earlier it was very difficult to duplicate the problem. I'm sure the in the near future the same codes will reap... Trouble codes: P1128 (Closed loop Fueling not Achivied Bank 1), P0300 (Random Misfire), P0339 (Intermitent Crank Signal).
1998 Ford F-150 XL 4.2L oil pan VIN: 1FTZX1722W
Thank you for everyones help. This oil pan has a silcone gasket and engine would have to be removed to seal properly. Customer declined to repair properly.
2001 Ford Expedition XLT 5.4L Cooling Systems VIN: 1FMRU15L51
The sensor on the left cylinder head the problem was the cluster the temp gauge did not worked at all new cluster in working find.Thanks all you guys.
2005 GMC Savana 2500 4.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTGG25V05
The fix was using the GM FI cleaner to clean the injectors. I used the newer Motovac System (pressurized cans)twice with no change in fuel trims. The dealer cleaner worked the first time. Thanks to all that responded. Steve Trouble codes: P0300, P0171, P0174.
2009 Honda Accord LX-S 2.4L Tpms VIN: 1HGCP26349
Each tire sensor would ping, but we had no communication when we plugged in a tpms tool or our Modis to the OBD2 port. We had to replace the TPMS Module.
2007 Lexus IS350 3.5L valves VIN: JTHBE26247
First I would like to thank you all for your helpful suggetions. A backpressure test showed #4 leaking past the intake valves. I removed the intake plenum and all of the intake valves where carboned up with crud. Flakey stuff. I buttoned the car back up and ...
2005 Lincoln Town Car Signature 4.6L no brake lights
OK fellow techs,this is strange and somewhat embarrassing after all the testing that was done on this vehicle the owner took it to a shop in West Palm and came back to tell us that another person looked at this problem. What he said was that one fuse was blow...
1999 Mercedes-Benz C230 Kompressor 2.3L Misfire, MIL Lamp on VIN: WDBHA24G4X
Finally repaired. Turns out ignition wires that were replaced last year had an intermittent open for cylinder #2. In the coarse of diagnosing going back over basics again, we found the open with an ohm meter. Thank you to all who responded. Chuck Trouble codes: P0302 (Cylinder 2 misfire).
2005 Pontiac Grand Prix GTP 3.8L Battery VIN: 2G2WR524X5
Well seems its fix at this time. The fix was...lol...disconnected the positive battery terminal over night. Reconnected this morning and battery save mode off. Not come back on yet...Thank You all the responses...
2005 Subaru Outback R L.L. Bean Edition 3.0L Backup lights VIN: 4S4BP86C15
Backup switch is a part of the valve body, replaced and all is good. Thanks to everyone who replied!
2002 Toyota Camry SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTDBE32K02
I want say thank you to every single one that took the time to share information with me, this toyota is finally fixed, problem was on 3 different components, first 3 ignition coils, were crack, a/f ratio sensor intermittently stuck on rich condition. but the ... Trouble codes: P0171 (Lean condition), P0300 (Random misfire).
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