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Professional Automotive Repair Technical Discussions for March 8, 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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| 1990 Buick Century Custom 3.3L Stall, hard start VIN: 3G4AH54N0L Hello . Vehicle was towed in complaint was could not accellerate. I started vehicle & it idled ok but when you go to put it in gear it dies right out .At times the idle seems normal other times it seems a little rough. At times when it dies it is also hard to ... Trouble codes: 42 (history code EST Circuit) |
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| 1995 Buick LeSabre Custom 3.8L Stall, MIL Lamp on VIN: 1G4HP52LXS Engine will not stay running. Engine starts and then dies within 5 seconds. Must recyle key to get engine to restart. Engine starts and dies after 5 seconds. Fuel pressure is good. Spark is good. Injector pulse is lost prior to engine dying. No communication t... |
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| 1998 Buick Regal 25th Anniversary Edition 3.8L Body VIN: 2G4WF5211W Hello all, This vehicle has a vibration that is generated by the powertrain that is noticed throughout the vehicle & is more prominent when the vehicle is put in gear at idle. You can feel this noise under the hood an all types of things, but most on the passe... |
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| 1967 Cadillac SEDAN DEVILL 429CID front shoe/drum Howdy ever body, and especially you oldtimers out there... Got this antique thats stressin me out. Came in for a complete assessment, one problem being unresponsive/pulling brakes. We completely rebuilt the brake system, now response is good but it has a minor... |
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| 1998 Chevrolet Metro LSi 1.3L No Start VIN: 2C1MR5224W Well here we go again,the headaches continue.I replaced the oil pan due to rotted/leaking and now the car wont start.no injector pulse intermitant spark and it takes forever for pcm to show crank rpm on my solus.the crank sensor on this car does go thru the oi... |
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| 1998 Chevrolet Astro 4.3L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCDM19WOV First code e.g.r and random misfire, remove and clean e.g.r. clear codes .No e g r codes but random misfire still there. Notice number 2,4,6 had misfire counts.removed plugs for 2,4,6 plug gas foul,and numbers 1,3,5 all very clean. One side of motor runs rich.... Trouble codes: P0300 |
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| 2000 Chevrolet Impala LS 3.8L Take off in 1st gear VIN: 2G1WH55K5Y This is my personal car and I don't do any automatic transmission work. When driving the car fully warmed up and pull up to a stop. At times during accel from stop, the trans will slip and shudder. It does feel like the trans has downshifted to low properly. L... |
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| 1993 GMC K2500 Sierra SLE 5.7L Unknown VIN: 1GTGK24K7P We are a general repair facility and farm out our transmission rebuilds. Since this trans was rebuilt in August, 2005 the customer has complained of: - shuddering when coming to a stop when hot. This was repaired by the trans shop by replacing some valves in ... |
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| 1998 GMC Safari SL 4.3L PCM flash VIN: 1GTDM19W5W I am wondering when performing a PCM flash does the Operating ID reflash also install all other updated flashes or do I have to flash each system individually. |
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| 1999 Oldsmobile Bravada 4.3L Mechanical VIN: 1GHDT13W6X We have a very good customer that has put up with this problem pretty much since the truck was new .On tight turns this thing wont even move due to the control trac 4x4 being enganged we found the tsb and changed the fluid two times and two times after 2000 mi... |
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| 1993 Pontiac Bonneville SE 3.8L Master Cyl. VIN: 1G2HX53LXP Car came in with brake pedal going to the floor. Felt like bad master cyl. Replaced above parts and bled system manually. Pedal still going to floor. Crimped off return hose from ABS unit to master reservoir, no change. Removed return hose & watched for rise i... |
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| 1995 Pontiac Grand Am SE 3.1L speedometer VIN: 1G29W55M8S This Grand Am came to me with no speedometer. Brother-in-law already replaced vss, pcm, and cluster. Scan tool shows no vss signal with a code 24 set. Clear code and test drive. Code comes back everytime. Backprobe pcm terminals for vss and check for ac voltag... |
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| 1999 Pontiac Montana 3.4L Surge, MIL Lamp on, no tachometer VIN: 1GMDX03E3X Hello all, having some trouble with this Montana. Customer brought it in for MIL on and possible surge at cruise, plus no tach. Checked for codes, P0327 and P0336. P0327 is because of P0336. Verefied on scanner, no 24x crank signal, also no cam signal. Followe... Trouble codes: P0327, P0336 (Crank Sensor A 18x/24x Out Of Range) |
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| 2001 Saturn SC2 1.9L all gears VIN: 1G8ZY12731 members hope everyone doing good,have this saturn with a harsh shift with no codes,with scanner hooked up have no input rpm signal,scope input sensor good wave forum,not sure if this is mechanical or a computor problem,need help thanks bud |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1996 Buick Skylark Custom 3.1L Battery VIN: 1G4NJ52M2T Thanks for all the good advice. You know sometimes you just have a senior moment. This car would loose the drain if either the dome fuse or the instrument cluster fuse was removed. As per your suggestion, I closed the door latch with the door open to see if th... |
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| 1996 Buick Skylark Custom 3.1L IP/anti-theft VIN: 1G4NJ52M8T Thanks to all who replied. As Terry replied I did find a wiring problem near the ac accumulator where it had rubbed through and was able to ground. However was unable to determine if repairing this wire actually repaired the customer's problem since it is so i... |
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| 1999 Buick Regal GS 3.8L Misfire, Excessive plug wear VIN: 2G4WF5214X Well first, thanks to everyone that responded to my help request. The overall concesus seemed to be that I had a lean fuel condition on those three cylinders, or that the vehicle may have been modified for performance in some way. Unfortunately that was not th... Trouble codes: P0300. |
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| 2002 Buick Rendezvous CX 3.4L valvetrain damage VIN: 3G5DB03E32 thanks so much to all. I removed cylinder head and found catastrophic failure to valves and head. also found crack in the piston top from slamming agains valves for who knows how long. Just need to remove motor, looks like fun...not. hahah Thanks for the very ... |
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| 1990 Chevrolet Cavalier 2.2L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1G1JC14G5L It turns out that after checking the injector harness connector with Vantage to look at pattern while wiggling wire and putting an ohm meter between the red and blue wires which told us there was no problem. We unplugged the connector and put 12 volts down the... |
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| 1993 Chevrolet G10 Chevy Van 5.0L Starting VIN: 1GBEG25K3R thanks to all for the sugestions!! but i couldnt ever get it to act up... it did not have a remote start.im asuming it was just a loose connection that in testing was fixed. so thanks again for everybodys help!! |
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| 1998 Chevrolet Venture 3.4L Hyd. Brake System VIN: 1GNDX03EXW Hi Guy's replaced the ABS hyd. control unit and all is good now!, Thanks for all your help once again. Jeff... |
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| 1999 Chevrolet Silverado 1500 4.3L Stall VIN: 1GCEC14W1X Thanks! to all of you who have taken the time to help Since we were unable to verify the customer complaint in this event we were hesitant to bolt on parts we could not prove to be a problem For all of those who suggested Low amp waveform of the fuel pump (aft... |
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| 1999 Chevrolet S10 2.2L high 1-2 shift, no reverse VIN: 1GCCS1955Y All replies confirmed that the primary problem was a stripped sun gear drive shell. The transmission was in fact not shifting late from 1st to 2nd, but was shifting from 1st to 3rd as result of the stripped sun shell. This was confirmed by monitoring the shift... |
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| 2000 Chevrolet Silverado 1500 5.3L steering rack? VIN: 1GCEK19T9Y After flushing system and adding Lucas power syeering cond., was reported that it still squeals. I have a hard time getting truck because it is used for work every day. I will try moving the pulley a bit as per Mike [...] suggestion. Will close this post fo... |
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| 2001 GMC Sonoma SLS 4.3L abs module VIN: 1GTDT13W11 thanks to all for your help on this one . after checking this one out can to the conclusion that the module was bad . next morning moved vehicle and light was out road tested and light was still out . told customer that the module was going bad he declined due... |
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| 1997 Oldsmobile Cutlass GLS 3.1L suspension VIN: 1G3NG52M4V hello all, thanks to all who replied, olds is finally noiseless. I took everybodys advice and replaced the lower con arm bushings, had to wait for partshouse to get them so I just roadtested it, quiet as a mouse. I used moog bushings instead of dealer parts, s... |
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