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Prev Professional Automotive Repair Technical Discussions for May 11, 2006
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Open Help Requests for GM
Help Request Answers
1989 Cadillac DeVille 4.5L electronic climate control VIN: 1G6CD5151K
car came in very erractic a/c system relays p/s behind glove box clicking away. did diag on electronic climate control head came up e47 i have no info on code. also all of a sudden the electronic climate control and the fuel tank display will go blank and then...
1997 Cadillac Catera 3.0L No Start VIN: W06VR52R6V
this vehicle towed in to the shop from another shop does not start-cranks ok/no spark/no fuel/ when i first pulled the codes,it stored 2 codes, now it only shows one code only,which is p1564(cc accell too high or ecm battery loss) i noticed check engine light ... Trouble codes: P1564 (cc accell too high or ecm battery loss), P1502 (theft deterrent system no password received)
1972 Chevrolet chevelle 350CID tachometer VIN: ID67H2K527
Hello and thanks in advance for any assistance. I have this 72 chevelle with factory tach that customer claims will work intermitantly. I have never seen it work at all. The biggest problem I have is that I can't see where it gets it's signal from. I assumed i...
1993 Chevrolet K1500 Suburban Silverado 5.7L wipers VIN: 1GNFK16K2P
checked continuity from wiper switch all was good, replaced switch still doesn't work no wipers no washer pumpany ideas or something i missed
1995 Chevrolet S10 LS 4.3L ABS module VIN: 1GCCS19Z8S
I'm a Volvo mechanic and I have a '95 S10 in the shop with the ABS light burning solid. It is on from the moment the key is turned and never goes out. It has a standard OBD II connector and no ALDL connector. My Modis will communicate with the other systems on...
1997 Chevrolet Cavalier 2.2L Poor Idle Quality, Stall, starts and stalls VIN: 1G1JC1247V
After replacing hoses the car ran very well during that day and night. The next day the car was stalling out on coasting for the customer.Intermittently the car will run and idle great.Other times the car will start and stall as soon as you let off the acceler...
1998 Chevrolet K2500 Suburban 7.4L No Start VIN: 3GNGK26J0W
Hello This truck came to us with an intermittant no start-extended crank problem. Problem has only happened to us 3 times in over two weeks. When it acts up it takes about 15 seconds of cranking and then starts and runs fine. We have fuel pressure showing on t...
1999 Chevrolet Venture 3.4L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GHDX03E6X
cam in with coolant leak and runing rough diag. 4 and 5 coil tower bad replace plugs wire and 2 coils still had misfire on cly 4 after running apox 30 min would not miss when cold suspected intake gasket leaking vacume replace and now vehical will not start ha... Trouble codes: P0300, P0304
2001 Chevrolet Silverado 2500 HD 6.6L Glow plug VIN: 1GCHK29161
hi guys, I'm having a problem with this truck, the check engine light alway on, i check with tech 2 and the DTC is P0380 but everything seem to be fine. I need help please.
2003 Chevrolet Silverado 1500 5.3L drive train VIN: 1GCEK19T03
i test drove the truck. it feels like a miss, but i do not think it is a miss. the long fuel trims were + 1 and -1. the o2 is sweeping fine. the curent and history missfire counter show zero misses on all cylinders. i do not think this is an engine problem. i ...
1993 GMC K2500 Sierra 5.7L drivablilty concern VIN: 1GTGK29K8P
this vehicle has ben to several repair centers without being able to diagnose problem. Vibration comes in at about 2300rpm and peaks at 2500 then fades at 2800. techs here have removed the accesory belt and lower plully to inspect dampener, seems to be ok. Als...
2003 GMC Yukon XL 1500 SLE 5.3L Steering VIN: 1GNFK16Z53
Pulling left after tire replacement and alignment. Trying 2 promote services of IATN and build membership with Boente Shell Carlinville, Il. Thought we would supply u guys with this infor to help Jason out.
1989 Oldsmobile Cutlass Calais 3.3L Stall, Sputters VIN: 1G3NF51N0K
Hi to all. This little Olds will start right up when cold, go into fast idle and then idle down nicely. As soon as it's put into gear, it starts to sputter and may stall. It will do this several times, but all of a sudden, it seems to kick in and runs great. I...
1990 Oldsmobile Delta 88 Royale 3.8L Cuts out, Stall
HELP! This vehicle will cut out as if you turned the ignition off simply by turning [or just starting to turn the wheel to the right]steering wheel to the right, and most bizzare, is the fact that it is in direct correlation with the amount of gas in the car; ...
1991 Oldsmobile Cutlass Ciera 3.3L Stall VIN: 1G3AL54N8M
Customer came in stating the car intermittenly stalls when cold and aslo the speedometer pegs out high when driving at slow speeds - the car has good fuel pressure - computer tries to idle up when it stalls - no codes - no data looks out of place - have tapped...
1996 Oldsmobile Aurora 4.0L Surge, Cuts out, Misfire, MIL Lamp on VIN: 1G3GR62C45
I am working on a 1996 olds aurora 4.0L v-8. The car keeps setting code 1377 4x ic cam reference signal code. I have tried replacing the cam sensor. Did not help. I was wondering if anyone else had come across this problem. Iím not sure if this is relevant or ... Trouble codes: 1377 (4x ic cam reference signal)
2000 Pontiac Montana 3.4L Hesitation, Cuts out VIN: 1GMDX13E9Y
Hello All, I have a montana that is drivivg me nuts. The problem is only there cold and not there every day. It cuts out like someone turns the key off and on again. It is not a cylinder misfire, it is loosing all of them at once. When it does it the tach jum...
2000 Saturn SL2 1.9L Surge, Cuts out, Misfire VIN: 1G8ZK527OY
vehicle will surge at cruise/bucks after acceleration and upshift/unplug egr valve problem gone/also had missfires in #1 and #4 cylinders during test drive/checked plug wires to make sure they were not crossed they are ok/new spark plugs installed/no cat/conve...

Fixes & Summaries for GM
Fix/Summary Answers
2001 Buick Century Custom 3.1L Misfire VIN: 2G4WS52JX1
thanks for all the replies, customer is not willing to spend the money to fix the tranny. what i found is it is the tranny shuddering not the motor, having another person ride with and watching misfire counter does not seem to happen when the shudder is presen... Trouble codes: P1811 (Trans shift out of spec), P0746 (Pressure control solenoid).
2002 Buick LeSabre Custom 3.8L Noise VIN: 1G4HP54KX2
Thanks to all. I replaced the fuel pressure regulator and it quieted the whine noise from the fuel lines. Sometimes you get it in your head that that can't be the trouble so you don't try it even if it is easy to try.
1995 Chevrolet S10 4.3L Poor Fuel Economy VIN: 1GCDT14Z1S
first off, thanks to all who offered help. those of you who pointed to the exhaust back pressure were right. we found a hole in the top of the catalytic converter. we replaced it with a junkyard special and presto, the o2 sensor started giving readings we like...
1999 Chevrolet Corvette 5.7L Shocks VIN: 1G1YY32G9X
Thanks for the helpful replies, no thanks for the smart ass ones. The custome and myself are going to look into trying to find Monroe shocks or next winter see if a company like Monroe can re-build the factory ones. Even Monroe can provide them but they are $5...
1994 GMC K2500 Sierra SL 6.5L no acceleration VIN: 1GTGK29F9R
hi, because of the intermitant nature of this problem i'm not totally sure of the fix. i replaced the accelerator pedal and sent the truck out,its been three weeks and i've not heard back from the customer. if anything else developes i will repost a more posit... Trouble codes: 23 (accelerator pedal posotion 1 fault), 27 (app 2 fault), 84 (app fault).
1997 GMC K3500 Sierra SL 6.5L Cuts out, Stall VIN: 1GTHK33F3V
Well as most of the replies stated it was the driver module.We replaced the module and relocated it away from the engine. We lengthened the OEM harness which required removing the intake because the wires weren't long enough to work with. It's running fine now...
1994 Oldsmobile Cutlass Supreme S 3.1L 3-4 shift VIN: 1G3WH15M6R
hi guys thanks for your replies.problem is the car has not done the no 3-4 shift since i wrote in.very hard to find when it wont do it.we have put about 1000 miles on it and it has worked great.if it starts doing it so i can check some things or find something...
1996 Oldsmobile Cutlass Ciera 2.2L Extended cranking ti VIN: IG3AJ5548T
Thanks for all the replies (14)The problem was a wire had been cut.The gray wire from the fp relay was cut near rt shock tower.Some time in the past it must have had a no fuel pressure problem,someone had added a wire .When they did this they cut the wire that...
1994 Pontiac Bonneville SE 3.8L No Start VIN: 1G2HX52L1R
Well, This one is finished, but not fixed. We DID have a bad reman computer. A different one brought our data stream and injector pulses back BUT we also found out that the car had been partially submerged a while ago, at about 18', [but just for a few minutes...
2003 Pontiac Vibe 1.8L MIL Lamp on VIN: 5Y2SL62863
I compared the readings from the old pressure sensor to the new one. They would go up about the same when the system was under pressure + go down equally when the purge valve commanded a vacuum. If the reading would zero with no pressure everything would have ... Trouble codes: 441 (EVAP system no flow during purge).
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