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Professional Automotive Repair Technical Discussions for December 6, 2005 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1988 Buick LeSabre Custom 3.8L No Start, Stall VIN: 1G4HP54C4J Hello all, This Buick is a crank, no-start intermittently. Sometimes it will start and then stall after a few seconds or several minutes. It does not matter if it is hot or cold. When it runs, it runs fine. I already know I am losing injector pulse during the ... |
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| 1991 Buick Regal Gran Sport 3.8L mileage odometer VIN: 2G4WD54L1M this car has the digital dash, everything works properly except the odometer, which is the conventional type little wheels that go round , not digital...speedo measures correctly but odometer doesn't add up any miles...is this an ecm problem, since obviously i... |
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| 1992 Cadillac DeVille 4.9L turn signals VIN: 1G6CD53B9N I have this 92 Cad that keeps burning up the flasher for turnsignals.We have check & replace necc sockets that looked bad & doubled checked to make sure the right bulbs are in. We have been using A c delco sf323 flasher. If anyone can help I would appreciate i... |
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| 2003 Cadillac Escalade ESV 6.0L ebcm,lateral sensor codes VIN: 3GYFK66N73 customer states that it has a mind of its own and intermittently goes on and off. shows all sensors are working within specs and cannot get it to duplicate the problem. the only abnormal reading is from the wheel speed sensors. with vehicle at rest it shos 3mp... |
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| 1989 Chevrolet S10 2.5L brake light VIN: 1GCBS14E3K brake light wont go off.its not a e brake malfunction.its not a pressure switch problem..??? |
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| 1996 Chevrolet Camaro Z28 5.7L Hesitation, Cuts out VIN: 2G1FP32P6T Hello everybody. I've got a Z28 that doesn't seem to want to get repaired. The vehicle came in w/ a spark plug blown out of the l/s head, 2nd from rear cylinder. Customer didn't want to chance a helicoil, so we ordered a reman head from Clearwater Cylinder Hea... |
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| 1999 Chevrolet Corvette 5.7L MIL Lamp on VIN: 1G1YY32GOX I have ahard codeof po412. I think that either the air solinoid relay is missing or it is not where alldata says it's located. According to the wiring diagram for this car, it has 2 relays. One is the air pump relay #33 and the solenoid relay is #40. I put a r... Trouble codes: P0412 |
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| 2000 Chevrolet Cavalier 2.2L Idle Air Control Motor VIN: 1G1JC5241Y IAC motor is inoperative and stuck in the fully closed position causing engine to immediately die after starting. Ignition and fuel is all there, and it runs great if you keep your foot in the gas a bit, but otherwise will die. During testing, the IAC randomly... |
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| 2000 Chevrolet Prizm 1.8L engine Hello, Sorry about not having the VIN handy, posting this from home. This vehicle came in with an oil leak concern. It is a VIN 8 , 1.8l toyota engine. Replaced head gasket and intake cam actuator due to sticking condition about mid turn through the 21 degree... |
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| 2001 Chevrolet Silverado 1500 4.3L Hesitation, Surge, Misfire, MIL Lamp on VIN: 2GCEC19W91 Thanks for checking this one out. Help! This truck originally came in with a complaint of a misfire. We performed a maint. tune-up and replaced ignition wires and it seemed to take care of problem. Not long after, truck came back in with the complaint of misfi... |
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| 2002 Chevrolet Silverado 2500 6.0L starter elect. VIN: 1GCHK29U92 truck came in with an starter enguagement problem . the vech after started just sitting or going down the road the starter will just enguage for a few seconds it is worse when it is cold or damp . again this is a manual trans vech an has no add on equiptment .... |
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| 1999 GMC Savana 2500 4.3L No Start VIN: 1GTFG25W3X towed in flooded, crankcase equal mix of fuel and oil. changed plugs, new oil and filter. when trying to start vehicle backfires, fires randomly. any suggestions would be apprecieted. thanks Dave |
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| 2001 GMC Sierra 1500 SL 5.3L engine VIN: 2GTEK19T31 Customer complaint is start/stall then has to try numerous times to start.Customer also noted that when it will not start dash lights,and odometer do not power while cranking.The only light on is the battery light while cranking.Have not been able to recreate ... |
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| 1996 Oldsmobile Cutlass Ciera 3.1L No Start, Cuts out, Stall, VIN: 1G3AJ55M4T How's it going guys! I got this car for almost a week. Car comes in with an intermittent stall. Replaced the cam and crak sensor for sometimes it won't give any rpm on cold start. Same problem replaced the ignition module and prior to that we already did a maj... |
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| 2001 Oldsmobile Intrigue GL 3.5L Hvac fuse VIN: 1G3WS52H21 Customer had brought car in with the act inop.Found hvac fues blown.Put a circut breaker in and retested.Found will only blow the fues when you start the car.After circut breaker kicks back on the system works fine and will work for hours.But as soon as you st... |
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| 2002 Oldsmobile Bravada 4.2L MIL Lamp on VIN: 1GHDT13S12 we need to reprogram pcm. we are working on an 02 trailblazer and a 02 bravada that we need to reflash/reprogram/update pcm's for problems. the issue is these vehicles are owned by a local company. this company purchased these vehicles for one dollar. they are... Trouble codes: P0495 (fan clutch locked) |
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| 1998 Pontiac Grand Am SE 3.1L No Start VIN: 1G2NE52M4W i AM NOT AWARE OF ANY RELATED TSB FOR ECM FAILURE CAUSING NO SPARK. i HAVE PERFORMED ALL RELTAED TESTS EXCEPT A WAVE PATTERN OF THE 24X CKP SENSOR WHICH MONITORS RPM FOR THE ECM, BUT I DO NOT SUSPECT THAT FAULTY AS SCANNER READS VALID CRANKING RPM. I HAVE GOOD... |
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| 1999 Pontiac Grand Am SE 3.4L headlights VIN: 1G2NE52E9X this car has a dim rh side headlight. both sides are on both elements lh is bright i add 12 volts to pinkwires at underhood box and the come on bright with just one element working, the dash has a dim rh turn signal indicator and the question i have is this co... |
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| 1998 Saturn SL1 1.9L computer, trans VIN: 1G8ZH528XW we have this saturn that came in with reverse gear slipping and it had a code for 2nd gear ratio fault. i was told it had bad trans so we installed a used one and now the chack enging light is on with many codes so we called wrecking yard they said computer ha... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1988 Cadillac DeVille 4.5L power steering pump VIN: 1G6CD5156J I already posted this as a fix, I have no idea why it wasn't sent out. It turned out to be a poorly rebuilt unit. I had just assumed the rebuilder did his job correctly, well there you go, I put must trust in someone else. It's not bad enough when you have to ... |
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| 1997 Cadillac DeVille Concours 4.6L Security System VIN: 1G6KF5496V Thank you so very much for the 5 replies received. One reply stressed the need to check the grounds...an often overlooked point, but they checked out ok. Karl from NJ was most helpful in checking the ignition key resistence values. Jamie from Southern Calif. a... |
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| 1994 Chevrolet S10 Blazer Tahoe 4.3L No Start, Cuts out VIN: 1GNDT13W1R cust.decided not to put any more money in it.everyone suggested problem was under upper plenum. thanks for all the help.sorry couldn't get a chance to fix it.thanks again, |
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| 2000 Chevrolet Silverado 1500 5.3L No drive front wheel VIN: 1GCEK19TXX Hi All,I only had three responses on this one. I had one guy nail this one and gave me some great help. John Dioszeghy suggested a test to that will determine if the t-case is woking. First, I removed the front driveshaft at the front differential yoke. I then... |
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| 2001 Chevrolet Malibu 3.1L passkey system VIN: 1G1ND52J21 Hello,I have to close this post due to time out of the post.The consensus for the fix is a new ignition lock,fairly common problem.The customer picked up the car and has not brought it back,because it is not acting up,so I have not been able to repair it.The d... |
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| 1994 Oldsmobile Cutlass Ciera 3.1L Hesitation, Stall, revs limited VIN: 1G3AG53M3R First of all I would like to thank everyone who provided me with support and suggestions of repair. Unfortunately I was not given the opportunity by the customer to further diagnose although the suggestions provided by fellow members made sense to me. Customer... |
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| 2000 Pontiac Bonneville SE 3.8L air shocks VIN: 1G2HY54K31 This must have been a one of a kind problem. I modified the intake hose so that it got fresh air from inside the trunk. find out if that works. Thanks for all the ideas. |
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