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Professional Automotive Repair Technical Discussions for March 7, 2006 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1989 Buick Electra Park Avenue 3.8L No Start VIN: 1G4CW54CXK Thanks for all help in advance! This vehicle came in on hook no start.Had been sitting up dead for??? anyway did visual replaced long dead battery cleaned all grounds and cable ends and tried to start-no spark, looked at ign module and had a melt down. replace... Trouble codes: 22 (low voltage TPS), 23 (low voltage air temp MAT), 43 (low or high voltage KS EST related) |
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| 1991 Buick Century Custom 3.3L Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3G4AH5YN1M hi guys i need some help costumer complane when car goes over 55mph it buckes tem light flashes and check engine light on steady then begins to flash and stalls out i pull the car in and chck for codes found 27 secound gear switch or circuit prob,26 quad drive... Trouble codes: 27 (2nd gear switch or circuit problem), 26 (quad driver module failure), 21 (throttle position sensor/circuit high), 43 (esc module for sensor circuit problem), 48 (misfire/fuel/ignition problem), 14 (coolant tem signal low or shorted) |
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| 1996 Buick Skylark Custom 3.1L Battery VIN: 1G4NJ52M2T High all in IATN land. This is a real mind teaser. Car has a 300ma draw. Let car stand for hours. Drain still there. Reach through drivers window and turn on dome lights using dash light switch and drain falls to 7ma. Will also drop if you reach in and cycle t... |
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| 2002 Buick Rendezvous CX 3.4L valvetrain damage VIN: 3G5DB03E32 I have a 2002 buick randevous that broke a intake valve spring on cylinder number 4. The pushrod also bent badly. The intake valve in that cylinder bent too, as it does not move very freely. Does anyone have any experience with these. Can I replace the valve a... |
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| 1981 Chevrolet Camaro Berlinetta 3.8L No Start VIN: 1G1AS87K4B I need help from you carburetor wizards.This car loads up before the choke pulloff gets a chance to open on first start in the morning.It starts ok the rest of the day.I had to reoverhaul the carb,setup the air bleed and solinoid limits.It runs good warm,the c... |
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| 1990 Chevrolet Cavalier 2.2L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1G1JC14G5L Hi and thanks for the help...We have a 2.2 Cavalier that looses spark and the injector stops firing. It seems to go on and off, sometimes it wont even start. We replaced the crank sensor, ignition module and the small harness that goes between them and a new c... |
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| 1995 Chevrolet Lumina 3.1L Interior lights VIN: 2G1WL52MXS This morning I went to get in this car and when I opened the door the interior lights didn't come on. I turned them on manually with the dimmer switch and they worked. So I got in drove it in the shop and then the lights won't time out. Figured I had a bad doo... |
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| 1995 Chevrolet Lumina 3.1L rocker arms/studs VIN: 1234567M-S Hello everyone, This car came in with a miss, we found the #3 cylinder With a broken rocker arm stud and we didn't really think that much of it, you do see it from time to time on cars and trucks. It also had water in the oil from a blown intake gasket. The c... |
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| 1997 Chevrolet C3500 Cheyenne 5.7L Hesitation, MIL Lamp on VIN: 1GCGC34RXV Hello all I have this truck that a year ago I replaced the Distributor because of a Camshaft position sensor code p0340...set retard..Has come back a few times with code again. Replaced cam sensor again, GM said they have had some defective ones...replaced plu... Trouble codes: P0340 |
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| 1997 Chevrolet S10 4.3L Hesitation, Surge, Misfire VIN: 1234567ABC vehicle surges/missfires at about 2300rpm all of the time.various shops including ours have replaced parts listed but to no avail!no codes etc... vehicle runs great at idle and when under acceleration.light throttle cruise seems to be where problem occurs ever... |
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| 2000 Chevrolet Cavalier 2.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G1JC5243Y Hello all and thanks for taking your time . this car was towed in from another shop starts and idles but is very rough and has no power has what i think is spark knock even at idle the engine noise is very loud but cam and crank are in sync. only dtc is po300 ... Trouble codes: 300 (random misfire) |
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| 2002 Chevrolet Trailblazer LS 4.2L No Start, Cuts out, Stall VIN: 1GNDT13S72 owner is complaint is: was driving when vehicle went dead. dash gauges began eratic movement also. pulled to side of road, 5 min later started and ran ok. we had erratic gauge movement with koeo, but vehicle has always strated. battery was low on charge, but c... |
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| 1997 GMC Jimmy SL 4.3L transfer case VIN: 1GKDT13W4V Need help guys with this one. this is a 233 electronic transfer case. Truck bought at used car dealer auction by local dealer another shop had installed a remanufactured transfer case shift motor but transfer case still would not shift. Dealer brought vehicle ... |
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| 1993 Oldsmobile 88 Royale 3.8L Hesitation, Stall VIN: 1GBHN53L2P The Vehicle runs just fine untill you slam on the brakes and then it will drop the idle real low and stumble and die. I have had no problems restarting the vehicle. Problem apears to be worse when cold. A few times on test drive vehicle word not stall but woul... |
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| 1997 Oldsmobile Cutlass GLS 3.1L suspension VIN: 1G3NG52M4V help, this car came in for a rattle/clunking noise, road tested to confirm, sounds like a sway bar or strut bearing noise, pulled struts, not leaking, strut bearings ok, slight play in rack unit, replaced it, noise still there, put on new struts, took off new ... |
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| 2000 Saturn LS1 2.2L W/Wipers VIN: 1G8JU52F2Y these wipers stop at random positions only when in Delay or Mist modes. low & high speeds work fine. I replaced Wiper Switch ( after moving switch & harness ) thought bad connection. Still have same problem. BCM voltage looks right according to flow chart. Wip... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1987 Chevrolet Sprint 1.0L Excessive Emissions VIN: JG1MR2151H thanks to all who took the time to respond to my cry for help. the mixture control solinoid was be commanded full rich.after disconnecting sensers with no change we disconnected the idle /wot switch assembly engine when in to feedback control.the switches volt... |
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| 1991 Chevrolet C1500 Cheyenne 5.7L probable driveline VIN: 2GBEC19K1M hey guys thanks for the comebacks we checked the declination of the two u-joints on the rear shaft and found them out only 1% did a little shimming on the rear axle and tweaked the hanger bearing and got it within 1/4 degree no more harmonic blast we find the ... |
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| 1995 Chevrolet Lumina LS 3.4L MIL Lamp on VIN: 2G1WN52X4S I will have to say the vehicle is fixed at this point. After 3 used EGR valves and 2 new ones, the code has so far not returned. I had a few people say there was a MAP sensor on this engine. I still never found any evidence of one on this vehicle. One odd note... Trouble codes: P1403 (EGR Solenoid 1 Circuit Error). |
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| 2001 Chevrolet Express 3500 6.5L fuel VIN: 1GCHG35F51 Closing: Truck starts well, as we've had the coldest 2 weeks all winter,I can close case. Thanks to Josh from MO, Mike from ND and frank from BC, all gave some good info. Untold in the request, this truck motor has only 40k on it. Thanks guys, Jim |
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| 2002 Chevrolet Suburban 1500 LT 5.3L 1-2 shift VIN: 1GNFK16Z72 hello everybody, i want to thank all the members that have sent replies. the final fix was to buy a reman valve body and plate from the local chevy dealer and that fixed the harsh 1-2 shift. i had the old valve body down twice and had two local trans shops loo... |
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| 1995 Oldsmobile 98 Regency Elite 3.8L abs VIN: 1G3CX52K9S I replaced the wheel speed sensor (hub assembly) and the problem is gone. Someone had asked if there were any codes. There were no codes.Thanks everyone. Lee |
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| 1998 Oldsmobile Aurora 4.0L starter VIN: 1G3GR6C8W4 The Olds is fixed. I wanted to wait a couple weeks to make sure since this was an intermittant problem. As per most replies, I found a lot of corrosion at the ground cables attaching to the frame. Did some grinding down to bare metal and no more problems. Once... |
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| 1997 Pontiac Grand Am GT 2.4L No Start, Stall, MIL Lamp on VIN: 1G2NW52T3V This one is fixed. I had talked with a tech from a GM dealership and he was telling me about the ignition switch failure on these vehicles. Checked for power at the module, and it dropped to 0 volts when the car died. Installed fuse taps on the 20A mini fuse f... Trouble codes: P0122 (tps low voltage), P0141 (oxygen sensor 2 heater performance), P0335 (ckp sensor circuit), P0342 (cmp circuit low voltage), P1629 (anti theft device crank signal low). |
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