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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 14, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
2004 Audi S4 Avant 4.2L Starter, ignition switch VIN: WAUPL68E44
This is the second time i am working on this car, same problem. So the customer finaly got back in the state and took car to the dealer ( had it there before during the warranty and same problem and they said " no condittion was found at the time"). After brok...
1997 Cadillac DeVille 4.6L injector pulse VIN: 1G6KD54Y9V
hello caddy techs first time seeing this one . need alittle direction on where to start . car has been sitting for about one month customer started car up and moved out to street shut it off and it would not start back up .dash mesage board flashes theft syste...
2001 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y31
This car ever so often shows #420 code. Has had three cat. converters put on it. The code disappears each time afterwords. No set time. Last one was about a year ago. No other codes. All cats. have been aftermarket. The first one was in Canada. I would go O.E.... Trouble codes: 420 (catalyst efficiency)
1988 Chevrolet C1500 Cheyenne 5.7L engine VIN: 2GCEC19K4K
1992 Chevrolet Step Van P30 7.4L Poor Idle Quality, Surge, Cuts out, Stall, Poor Fuel Economy VIN: 1GBKP37NXN
i got this winnabego the other day and the guy drove it in from montana and how he got here i don't know. this thing is not kicking any codes. he has had everything you can think of replaced before it got here. he said he had a tune up done and time set(i thin...
1997 Chevrolet Tahoe LS 5.7L Poor Idle Quality, Hesitation, Misfire VIN: 1GNEK13R3V
HI guys I got one here that the miss just wont go away. MIL light is on, scanned for codes got a PO300 and it was clear that #5 was the big problem. did an injector balance test and all of them dropped to around 45psi after a starting point of 60psi. checked #... Trouble codes: P0300
2000 Chevrolet Cavalier 2.2L No Start, Stall, MIL Lamp on VIN: 3G2JB1240Y
Car came in on wrecker because it stalled on highway and would not restart.I have a alldata system but was unable to find this code this afternoon in there info.I can not call them untill mon am and thought that someone has seen this before.I checked data seri... Trouble codes: U1000
2001 Chevrolet S10 2.2L starter will not engage VIN: 1GCCS14591
hello and thanks in advance; this one has me stumped. s10 towed in customer said engine died and would not crank. tested battery ok and starter signal 0 voltage at purple starter wire. basic ck of fuses wire rub through etc, ck wiring diagrahm n. safety switch...
2001 Chrysler 300M 3.5L leak detection VIN: 2C3AE66G21
i would like to ask all the chrysler guys for some help with this one.i am sure this is just something that i am overlooking.so here it goes,i had this 01 300m come in with a evap large leak code, i found that the purge valve was not holding vacuum and replace...
2000 Ford F-350 Super Duty Lariat 7.3L Cuts out VIN: 1FTSX31F9Y
This one has me stumped. I work on 7.3's al the time and usually have no real issues. This truck will only die in the rain. Usually a misting rain. When it first came in I replaced the CMP for a P0340 I used OEM Ford Parts, It was gone for a month or so then b... Trouble codes: P0344 (Intermintent Cam Sensor Fault)
2002 Ford Expedition XLT 4.6L Misfire VIN: 1FMRU15W32
I have known of this problem with these engines for several years, but this is the very first one I've came across. I haven't seen this vehicle since last summer when it had a #4 cyl misfire code. We replaced coil and plug and cured it. Now it came in on the ... Trouble codes: 0303
2003 Honda Accord EX 2.4L CD Changer VIN: 1HGCM72693
This CD changer locates behind the CD insert slot. That is, CD changer is not seperated in the trunk room. It located inside audio behind the audio controller panel. Through one slot you can insert 6 CDs. After customer insert a CD, it could not read and eject...
2001 Hyundai Elantra GLS 2.0L Hesitation VIN: KMHDN45D61
Very intermittently engine will not go- Poor power and performance. Modis will show misfire codes when problem occurs. Does not record in memory. Fuel pressure stays good and engine does not feel like skip. Complete loss of power and won't go. Acts like conver... Trouble codes: P0081 (Undocumented), U3118 (Unknown), C0300 (Unknown)
2001 Kia Sephia 1.8L MIL Lamp on VIN: KNAFB12415
hi group. this kia come in this morning. the problem is check engine ligth is on, scanned code. it's come up with code p0455 and p0740, and p1624 output check . i test the evap purge solenoid. it open with battery power and close without power. then i remove t... Trouble codes: P0455 (evap emission leak detected gross leak), P0740 (tcc solenoid circuit open)
1995 Lincoln Continental Diamond Anniversary 4.6L air suspension VIN: 1LNLM97V8S
this is my own vehicle.I was driving one day and noticed what sounded like a woodpecker pounding on pass side front finder, got out and noticed that the compressoor was moving violently..and kind figured.."well thats about to go"..and it did bout a week later ...
1994 Mercedes-Benz S350 3.4L motor VIN: WDBGB34E4R
Vehicle came back after 2,748 miles, customer said she had to add 5 quarts of oil. Checked and cannot find any leaks, removed intake connector and looked at turbo. Turbo has signs of oil inside but not enough to have used 5 quarts of oil. Also cannot see vehic...
1999 Mitsubishi Montero Sport ES 2.4L MIL Lamp on VIN: JA4MT3149X
Hello to all, Am now living at Bavaro at the eastern point of the beautifull Island. I dont find locally resources to troubleshoot this codes can anyone email me this info so I Can go ahead... I replaced the Sparks and no change... Wires are on the way n...
2002 Nissan Xterra SE 3.3L no power VIN: 5N1MD28Y92
this vehicle has no power, very slugish at acceration, and won't go over 75mph. have removed supercharger belt and it performs the same with supercharger conected or disconected. engine idles and runs perfect no codes present, supercharger is not noise and tur...
1988 Oldsmobile Cutlass Calais 2.3L Surge, Cuts out, Stall, MIL Lamp on VIN: 165DGH76J8
i un hooked battery to clear codes becuase i changed o2 sensor why cuase custermer had bought it,fixed vaccums and checked grounds.with in 10 mins. car stalled twice end gave codes 23 air temp sensor open,43 est failure,53 over voltage.same codes was wondering... Trouble codes: 23 (air temp sensor), 43 (est), 53 (over voltage)
1997 Pontiac Grand Prix SE 3.8L Poor Idle Quality, Misfire, MIL Lamp on, LEAN VIN: 1G2WJ52K8V
help i have a 1997 pontiac grand prix that came in with a code p0300 random misfire only at idle mostly cyl 3 and 4 original plugs and wires with very large gap changed plugs wires rotated inj to see if it was an inj changed intake checked the upper plenum cha... Trouble codes: P0300 (radom misfire)
1997 Toyota Camry CE 2.2L power steering boost
During rainy weather only, power steering intermittently loses all boost while turning either right or left. When the turn is completed and wheels are straight ahead, PS boost returns. The next turn will have normal PS boost. This symptom occurs at random an...
2003 Toyota MR2 Spyder 1.8L battery VIN: JTDFR32003
hello this car is a spyder cust. coplains that after one week batt. goes dead it can just be siting in his drive way. he replaced batt. and the same does anyone have or know what the drain is on most of these or should i start pulling fuses
1998 Volkswagen Jetta GL 2.0L Clutch VIN: 3VWRA81H2W
Hello: This one came in from "another shop" with a pretty good imitation clutch cable end retainer on the release arm of the transaxle. clutch would not release fully. Customer stated that the original retainer fell off. I replaced the cable and new retainer a...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 BMW 528i 2.8L keyless entry VIN: WBADM634XX
Thanks to all iatn is the best! Speacial thanks to Greg and Eric, they were both correct. After finally finding the info in the GT1 and Alldata we were able to figure out exactly how the system works and realized that we had no power to the antennas in the c p...
1991 Chevrolet C1500 Cheyenne 5.0L Pedal Feel, Breaking VIN: 1GCDC14H0M
I recieved lots of suggestions from both iATN and tech hotlines and ended up replacing the hoses, shoes, pads, rotors, wheel cylinders, proportioning valve, 2 additional master cylinders, 1 additional booster, and I even bypassed the RWAL unit. Nothing worke...
2000 Chevrolet Express 3500 5.7L Hesitation, Cuts out, Stall, EXTENDED CRANK VIN: 1GBHG31R2Y
Sorry for the delay in closing this one.Found lack of fuel pressure and steady drop do to bad pump.I do not know what caused pressure drop but I do know that it was in the sending unit.I ended up modifing my fuel pressure gauge and installed it on the outlet o...
2002 Chevrolet Silverado 1500 4.8L 4wd VIN: 2GCEK19V82
Many thanks to all of you that replyed. It has been a week since I attempted a repair and the symtoms have not returned so I am calling this a fix. Bruce from Ontario was right when he said to replace the switch on the transfer case that switches the front dif...
1987 Ford Escort GL 1.9L Poor Idle Quality, Surge, Misfire VIN: 1FABP2196H
Gentlemen: I have tried all suggestions and as of yet cannot solve the problem. The customer has left me the car as he is not interested in continuing on a repair path. When I have time I am going to trace all wiring that may apply to this problem. Thanks ... Trouble codes: 87 (Primary Fuel Pump Circuit Failure), 22 (Manifold Abslute Pressure MAP or BARO Sensor Out of Range).
1991 Ford F-150 Custom 5.8L Cuts out, Misfire
Thank You to all that provide input on my problem. Rusty hit it on the head. He suggested checking the transmission closer as a line pressure fault could shut off injectors. This was something I had never experienced before on the older Fords. I disconnected t...
1994 Ford Mustang GT 5.0L Misfire, MIL Lamp on, backfire VIN: 1FALP45TOR
thanks for all the great replies I did some more research to find out the common denominator of the codes was after rechecking found no vacume to solenoids (located under the r/s plastic fender well after removing found plastic line brittle and falling apart r... Trouble codes: 311 (thermal air inop bank 1), 314 (thermal air inop bank 2), 332 (egr out of calibration).
1999 Ford F-250 Super Duty XL 7.3L No Start VIN: 1FTCR12F2Y
Replaced all eight injectors with remans I found on the internet for 99.00 ea. Truck runs great now, thanks for all the replies. Trouble codes: P0605 (internal rom error).
2000 Ford F-250 Super Duty Lariat 7.3L Unknown VIN: 1FTNX21F3Y
I got alot of good replys to this. I did manually lock up converter, and engine stalled. I reprogrammed pcm, and drove it 30 miles and all seemed good, released it to cust. Cust. came back for same concern. Replaced pcm and all is good. Cust has had over a wee...
2002 Ford Focus SE 2.0L trans temp sensor VIN: 1FAFP34P12
I finally got a wiring diagram. Simple fix though. The temp sensor has a 5v reference and the other wire is the signal return. The signal return wire to the PCM was rubbed thru and shorted to voltage at the wiring harness just above the trans about 3 inches fr...
2003 Ford E-150 4.2L Misfire VIN: 1FTRE14213
Many Thanx for all the replies. All agreed that the egr ports were partially plugged.They were correct. Removing the upper intake manifold half and cleaning out the carbon in the passages was the answer.You Guys are life savers,Best Regards,Paul Trouble codes: 0406 (pcm voltage too high), 0313 (low fuel), 0301 (cyl 1 missfire).
2003 Ford Windstar SE 3.8L MIL Lamp on VIN: 2FMZA52483
It seemed the consensus was to continue to reset the sensor slightly untill it stopped flagging the code and we did that for a while without change so before we got into the lom and PCM we threw on a Ford Cam sensor just to be thourogh. Lo and behold, it fixed... Trouble codes: P1336 (Crank Cam sensor Erratic).
2000 Jeep Grand Cherokee Laredo 4.0L noise VIN: 1J4GW48S2Y
Turns out the jeep was in an accident, the front diff was removed from the jeep and when they reinstalled the diff one of the bolts where installed backwards and was hitting on the frame.
1995 Oldsmobile Silhouette 3.8L no heat VIN: 1GHDU06L4S
yes. this van is fix. the problem is heater core clogged. i also cutted the inside of the box out to determine it. it partial clogged. no wonder when idle it have some heat. thank you very much for the information, this network is good information for all tech...
2000 Pontiac Bonneville SE 3.8L steering VIN: 1G2HX54K8Y
thanks for the replies. found left hand axle shaft bad, witch is funny because it did not wable near as bad as the right side, i talked to a transmission tec who told me that they have had numerous cars with this symptom and they replace both axle shafts with ...
1997 Toyota Camry CE 2.2L MIL Lamp on
First of all thank you all for your replies and taking time in your busy schedule to help, I checked and doubled checked every vacuum lines, I also cleaned the throttle body and the little vacuum pipes with a little steel wire, I also monitored the ground side... Trouble codes: P0401.
1999 Toyota Camry CE 2.2L Excessive Emissions VIN: 4T1BG22K2X
Thanks to everyone that replied. Removed the transducer/regulator and replaced it with a new one. Come to find out there was water and debris in there somehow. Reset computer and monitors ran in 5 miles. The VSV had already been replaced and many of you said y... Trouble codes: P0401 (insufficient egr flow detected).
2000 Toyota Tacoma DLX 3.4L Poor Idle Quality VIN: 4TAVN52NXY
well guys it turned out that when i.a.c went south it took the drivers out in the ecm replaced ecm and reprogramed it works good thaks for the replies Trouble codes: P0505.
2007 Toyota FJ Cruiser 4.0L maint light VIN: JTEBU11F47
Most replies said that it reset the same old way by holding down the trip button and then turning the ign to on...Soooooo I tried it again and it worked!...I guess I wasn't holding my tongue right the first few times that I had tried!!
1997 Volkswagen Jetta GL 2.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3VWSA811T9
After recieving three coils from NAPA, we order a factor coil from VW and the problem was fixed. NAPA is checking in to why there coils will not work with this car. Thanks to every one who answer my request. THANKS AGAIN Mike.
2004 Volkswagen Jetta GLS 1.8L No Start, MIL Lamp on VIN: 3VWSE69M44
Thanks for your responses. Most pointed to the ECM power relay which I had eliminated. The after market radio issue was mentioned as well as checking for A/C ripple. Since the car was still in warranty the customer opted to tow it to the nearest dealer (200 mi... Trouble codes: P1548 (boost presure regulator N75 open circuit), P1531 (Cam timing adjustment open circuit), P1287 (Boost pressure control valve N249 open circuit), P0012 (camshaft A advance setpoint not reached), P0688 (ECM power relay load circuit open circuit), P1624 (TCM MIL request).
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