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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 14, 2006
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Open Help Requests for All Makes and Models
Help Request Answers
1997 Acura CL 3.0L abs light on VIN: 19UYA2258V
HI Y'ALL ! I need some help with Acura that has abs light on. Car has been well maintained. Customer came in with light on. As stated ran test that shows abs code 1, pump runs too long. I don't have any experience on this system. Am looking for some input on ...
2000 Audi A4 Quattro 1.8L MIL Lamp on VIN: WAUDC28D2Y
hi techs ive go this car with code 1137 that wont go away. have cked fuel psi it is fine. after repair of broken v line to regulater,then found temp sensor leaking and irregular readings, repaired that. code still comes back did out put ckecs on evap control v... Trouble codes: P1137
1995 BMW 325i 2.5L Excessive Emissions VIN: WBABJ5321S
This December customer calls me and says he has a severe loss of power.He is able to get it to me and I take a look at it. Converter has come apart.It is also loosing coolant somewhere slowly.I sniff the exhaust.The above CO2 and O2 readings are erroneous beca...
1996 BMW 840Ci 4.4L fail safe VIN: WBAEF62050
Thank you for reading and offering help. As soon as the ignition is switched on the message "Trans Fail Safe Program" appears. There are no fault codes in engine or transmission. The car drives perfect and the transmission changes gears as it should. The MoDic...
1995 Buick LeSabre Custom 3.8L Misfire VIN: 1G4HR5216S
I have an intermittent missfire at any time or speed usually under load,sometimes at idle. My helper replaced the fuel filter,spark plugs& wires.we tried new ignition module& 2 of the 3 coils.I checked the injectors screens for dirt plugging & they were clean....
1988 Cadillac DeVille 4.5L No Start VIN: 1G6CD5159J
Have a strange one here. Vehicle was towed in last week for no start.When checking for spark vehcle started. Did further testing and no problems found. Vehicle towed in yesterday with dead battery. Recharge battery. Engine cranks/no start. When this occurs I h...
1986 Chevrolet Corvette 5.7L Poor Idle Quality, Surge, Cuts out, Misfire, Poor Fuel Economy VIN: 1G1YY0783G
Own personnel car, restoring. Car won't idle, hesitates, backfires when throttle depressed at all timing settings, sounds very irregular. Replace ECM and Memcal. Had these codes before replacing ECM. Scan tool continues to get "Communication Mismatch" when I s... Trouble codes: 41 (incorrect prom cylinder select), 42 (esc), 43 (esc), 44 (lean)
1997 Chevrolet Corvette 5.7L No Start VIN: 1G1YY22G4V
Hello fellow techs, Thanks in advance for any help with this problem child. Vehicle towed in after customer replaced battery with a crank no start. Fuel pressure ok, cam and crank signal good, codes P0601 and P1518 stored in history and current. Other codes in... Trouble codes: P0601 (Internal control module memory check sum), P1518 (PCM to TAC module serial data)
1998 Chevrolet C2500 Cheyenne 5.7L tcc pwm VIN: 1GCGC29RXW
code 1860 (tcc pwm ckt ),Truck runs good , will go into lockup 0 - 10 slip, will stay engaged for miles, as soon as it comes out of lockup DTC sets , PCM won't enable lockup again untill codes cleared, Thanks in advance for your time. note : flash at another s...
1999 Ford Explorer XL 4.0L axles VIN: 1FMZU34X2X
i really need some help with this ford. when driving slow turning left right or left there is a loud clunking like it is in four wheel low. and you can see front wheels jerking. as long as you go straight no noise. put on rack and you get no noise. so it has t...
2000 Ford Taurus SE 4-Valve 3.0L No Start VIN: 1FAFP55S6Y
Car runs fine,never stalls,no codes.Cranks great,starts right up 9 times out of 10.Then uh-oh *&%#$%^*@,no injector pulses,no spark(no pulses to the coils either). Sometimes,unpredictably it will start after prolonged cranking.Mostly it would crank until the b...
2002 Ford F-250 Super Duty XL 7.3L looses power VIN: IFTNX2IF52
hi i just bought this truck it runs great. it has a minor exhaust leak. i started to notice when the truck is in overdrive , and you excelerate hard but not making it downshift it will pull hard for about 5 seconds, and then it gets slugish. it pulls hard at a...
1998 Isuzu Rodeo LS 3.2L Cylinder head, valves VIN: 4S2CM58W7W
Hello fellow techs, I have a very noisy Isuzu Rodeo here. I just replaced the cylinder head gaskets and when I first started it, and ever since even when hot, it has a constant rattle almost a buzz. Is this valve clearance? Or is there something I missed? This...
2000 Land Rover Discovery Series II 4.0L Hesitation VIN: SALTY1249Y
Dear fellowtechs: Hi guys. First off, I'm not a Land Rover tech, just trying to keep a customer from having to drive 3 hrs + to the dealer. This rig acts just like it has low fuel pressure/volume. Its real cold natured, no power and backfires on snap throttle.... Trouble codes: P0171 (system lean B-1)
1993 Lexus ES300 3.0L engine VIN: JT8VK13T0P
thanks in advance for help! customer states overheats at idle in traffic. test drove for 45 min, no problem found. let car run outside at idle for 1.5 hours then checked it was running hot. eliminated the guage by checking resistance of sender and comparing to...
1997 Lincoln Town Car Signature 4.6L No Start VIN: 1LNLM82W7V
Hellow group and perhaps some ford/lincoln techs, Guess it's my turn for a problem child. We have this 97 lincoln town car that has a very intermittent no start. I think the cust said about 2 to 3 times a year! And of coarse every time we have looked at it th...
2002 Mazda MPV LS 3.0L Hesitation, Surge, Stall, MIL Lamp on VIN: JM3LW28A92
Hello all my friends, 2002 Mazda MPV 3.0L has code P0107: MAP/BARO circuit low input.The MPV runs fine at idle.At the stop sign when try to accelerate the engine will hesitate, chocking, sputtering seems like bad airfow meter or bad EGR. I tried to take EGR va... Trouble codes: P0107 (MAP/Baro Cicuit low input)
1989 Mercedes-Benz 560SL 5.6L Poor Idle Quality VIN: WDBBA48D3K
Vehicle has high idle speed (approx 1100 rpm) with A/C off. Checked timing, vacuum leaks, and checked throttle switch (all ok). Checked by applying 12V to idle valve momentarily and engine dies. Idle speed does drop when disconnecting vacuum to ignition contol...
1994 Nissan Altima SE 2.4L starting VIN: IN4BU3D4RC
Took out on an errand yesterday, only noticed a little chugging for a very short time. That was about the 3rd time in as many days for that but still ran good, After reaching my destination I shut the Engine off for about 20 minutes tried to restart but it wou...
1999 Nissan Quest GLE 3.3L ignition VIN: SIIHDEYWYH
hey guys got this nissan quest it wont start.If you put the key in the ignition and try to start there is no lights on the dash every is off.Then sometimes you get the lights to come on but goes off as soon as you try to start up.It wont crank from the ignitio...
2003 Other Asian rexton 3.0L Unknown VIN: KTPGOB1DS3
This SUV has a shudder that starts at 30kph and stops at 55kph when it get to 40 its at it worses. Does not shudder though steering wheel, or come from the wheels,4 Wheel alingment been done, removed front drive shaft, check u joints, had front and rear drive ...
2002 Subaru Impreza WRX 2.0L Poor Idle Quality, Hesitation, Surge, Misfire VIN: JF1GG29642
Customers complaint is miss or hesitation under a load. Customer brought it to me after another shop told him that it could be the valves were adjusted too tight or possible exhaust valve problem. Test drove vehicle on freeway at 70mph in 5th and when rolling ...
1994 Toyota Corolla 1.6L Abnrmal Aceleration VIN: 1Y1SK5369R
Thanks again iATN Toyota guys. I wish I could report every request for help as concise as this one. Forgive my last 2, Had 2 funerals in 2 weeks ... things not going great. Trip to Chevy Dealer ) No parts available, No service support. Trip to Toyota Dealer ...
1997 Toyota Tacoma DLX 3.4L Hesitation, Surge, Cuts out, Misfire VIN: 4TAWN72N9V
The truck cuts out while cruising at very light throttle about 25-35mph. Never on acceleration. It feels like one misfire or sometimes like someone turned the truck off briefly. The Cam and Crank sensors scope perfectly and the crank bolt is tight. I personall... Trouble codes: P0120
2000 Volkswagen Passat GLS 2.8L MIL Lamp on VIN: VWVWH23B2Y
good morning: this car has been causing us trouble for about a month. the secondary air system seems to be working ok. the pump runs, the valves open, and there are no leaks in the system. however the 0423 code is both cats warm up below thrushold,and the b1 ... Trouble codes: 0411 (secondary air b1 and b2), 0423 (warm up ctalist b2 and b1), 0130 (bs-s1 reaistance to high)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1997 Audi A6 2.8L Transmition VIN: WAVGC84A5V
Special thanks to Paul from Massachusetts and George from Germany, for there extra help in locating components. I split the harness (from multi-function sw) to look for shorted wires, but found every thing to be ok, but after the replies I knew I was in the ri...
2002 Cadillac DeVille 4.6L suspension VIN: 1G6KD54Y92
Thanks to all who replied to this post, especially Chester and Edward who both said it was probably due to non OEM hubs. I had a hard time believing that until I was able to prove it to myself. I spent a lot of time (about 12 hours) on this noise. This is how ...
1995 Chevrolet Lumina 3.1L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 2G1WL52M9S
I still have this vehicle in the shop, and am currently opening the wiring harness to see the wire from end to end, in hopes of finding the problem. None of the other info provided has solved this one.
1988 Dodge Dakota 3.9L No Start VIN: 1B7GR14X2J
Thanks to all that replied, Vehicle had 3 problems, First was ECM, Red wire that fed ASD Relay only had 7 volts, Checked wire in loom, found loose crimp on connecter, wire would have 7 volts then unhook ECM hook back up would have 12.75 Volts vehicle would the... Trouble codes: 44 (Fused J2 Input).
1994 Dodge Ram 1500 5.2L Excessive Emissions, Poor Fuel Economy VIN: 1B7HC16Y4R
Customer is trying to find a similar truck to try swapping the ecm, before buying a new one since there is not a definite answer to this problem
1998 Dodge Dakota 3.9L Clutch VIN: 1B7FL26X4W
Thanks for all the replies. Sorry to take so long to close, but the customer could not bring the truck back until now. As many suggested, the pilot bearing was trash, all the needles fell out when I pulled the tranny. The throwout bearing was bad also, so we p...
1987 Ford Escort GL 1.9L Differential VIN: 1FAB2196HW
Thanks everyone for the advice. It was determined that the gears were damaged by the bolt passing through them. We found a used transmission at a wrecker for $55.00. Installed and the vibration is gone. Customer is very pleased.
1987 Ford Escort GL 1.9L Final Drive VIN: 1FAB2196HW
Thanks everyone for the advice. It was determined that the gears were damaged by the bolt passing through them. We found a used transmission at a wrecker for $55.00. Installed and the vibration is gone. Customer is very pleased.
1999 Ford F-450 Super Duty Lariat 7.3L No Start VIN: 1FDXF47F3X
I replaced the ipr asy and the vehicle has started every time since. Verified no high pressure leaks at the heads, customer is happy. Thanks to all those who took time to respond with helpfull info. Trouble codes: P1211, P1212, P1209.
2000 Ford Focus LX 2.0L no start
thanks guys. got many ideas from robert, norm, brian, lee, richard v.,richard d.,vernon,dan and ed. most common ideas were regarding grounds and battery voltage. i changed the 'original' battery and cleaned ,checked ,and tightened all the suggested grounds,and...
2002 Ford F-250 Super Duty XL 7.3L Surge, Cuts out, MIL Lamp on, revs up and down VIN: IFTNW21F92
Thanks to all the resopnded to my plea for help. Especially Brian [...] all of you suggesting it was more than likely a wiring problem. The problem with this truck that it was so itermittened. I could drive it around for almost a ... Trouble codes: P0122 (tps), P0123 (tps), P0221 (throttle switch b circuit.).
2005 Ford Crown Victoria 4.6L brake light VIN: 2FAHP71W15
thanks for all the replies all gave me some great info .phillip [...] hit it right on the head .he said to check the hazard lights make sure they hadnt been left on and the relay had gotten stuck, well checked the hazards had been on when they cut them off th...
1994 Jeep Wrangler S 2.5L No Start, Stall, HARD COLD START VIN: 1J4FY19P4R
thanks for everyones imput. David from michigan helped the most. After checking again, I noticed the check engine light does not eluminate after sitting about a day and a half when key is first turned on. I also noticed after sysling the key it finally did com...
1997 Jeep Wrangler SE 2.5L master cly VIN: 1J4FY29P5V
this vechile has been repaired . the problem was the customer installed the wrong wheel cylnders,abs units,vechile did not have abs. thanks to all who replied to our request. thanks to lorne from california for the great tips.
1999 Jeep Grand Cherokee Laredo 4.7L MIL Lamp on VIN: 1J4GW58N5X
I reflashed the instriment cluster with the lastest update and the CEL is off now. Thanks to all who responded John [...]
1985 Mercedes-Benz 190E 2.3 2.3L No Start VIN: DA24C1FF07
hey yall i finally got this one fixed thanks for all the replies, everything from timing to hydro electric accuators(or something like that) but the real problem turned out to be weak spark(less than 25kv)i never would have thought weak spark would cause this ...
1999 Pontiac Grand Prix SE 3.8L Surge VIN: 1G2WJ52K4X
Well, to make a long story short, most replies were about the tcc operation and thats exactly what the problem was. A little bit of brake pedal and it was gone. Unfortunately the customer heard 'tranny problem' and decided to buy a different vehicle later, rat...
1995 Saturn SL2 1.9L power loss VIN: 1G8ZH1275S
sorry guys,customer has not had the problem since the last post.the replies i got all said to check coolant sensor and or connector,boyth checked ok.i did replace the temp. sender for the gauge because it was showwing hotter than it actually was.thanks for you... Trouble codes: 53 (info flagesc at retard limit), 52 (battery voltage out of range).
1998 Volkswagen Jetta GL 2.0L Key remotes VIN: 3VWRB81H1W
Thanks Robert from Oregon, you were right on the money. The module we recieved from the local dealer was black. Called them back, initially the parts department said that the module they sent me was the only one available for this vehicle. After a few minutes ...
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