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Professional Automotive Repair Technical Discussions for July 17, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Buick Skylark Custom 2.3L Timing Chain VIN: 1G4NV15D35 Hi guys, I have this quad four in my shop with a rubbing noise in the front of the engine. I removed the timing cover and noticed that the chain was rubbing on the front housing. I can't see any wear on the chain,sprockets,or guides. I'm assuming that the pr... |
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| 1986 Chevrolet Camaro Z28 5.0L no injector pulse VIN: 1G1FP87F1G vehicle has no injector pulse, tested all ecm grounds, power to injectors, has good spark, will run if you tap into injector ground wire at ecm and tap to ground. but will not ground injectors by it self. |
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| 1989 Pontiac Grand Prix LE 3.1L radio VIN: 1G2WK14TXK have alt whine in radio , change alt 3 differant alt's. Same results. Diconnected plug on alt. and whine is gone. OEM radio no add ons.Tryed capasitor on alt. still has whine.. Please advise...Joe |
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| 1998 Pontiac Grand Prix SE 3.8L blower and compressor and drl The blower,compressor and daytime running lights only work in blower speeds 1 and max.Speeds 2,3 and 4 lights go off,compressor clutch and blower inop.Checked wiring diagram and found 20 amp fuse for hvac/dic.Had 12v through the fuse in speed 1,switch to 2,3 &... |
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| 1999 Pontiac Grand Am SE 3.4L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1G2NE52E2X this one looked simple cel on constantly. code for ect out of range. scan tool show engine temp -38f .all wiring and sensor test ok up to junction near alternater. im having a real hard time checking out the connector at the pcm. the mitchell diagram doesnt sh... |
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| 2002 Pontiac Grand Prix GT 3.8L ps pump VIN: 1G2WP52K02 hi to all. this grand prix is breaking the center shaft internally in the pump.replaced pump 4 months ago with same problem.replaced high pressure line at same time.not sure what is causing shaft to break.pulley is still on shaft and is in good shape. |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1988 Buick Riviera Luxury 3.8L crt display VIN: 1G4EZ11C8J Hi Everyone I finally have this Riviera repaired and out the door!! After several used displays, centeral power supplies, and crtc modules I have a display that works. The display was bad and every used display I got to replace it was also bad in some way. A... |
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| 1997 Buick Riviera 3.8L horn VIN: 1G4GD22K0V Thanks George, it effects everyone's premiums when the insurance carrier pays for the inherent engineering flaws created by the manufacturer. I thank everyone for the help. |
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| 1988 Chevrolet Corvette 35th Anniversary Edition 5.7L Poor Idle Quality, Surge, MIL Lamp on VIN: 1G1YY2181J Well, it's fixed! It ended up being a faulty ECM as two responses suggested. I verified all powers and grounds at ECM. All tested good. Fuel pressure and volume were within spec. Upon replacing the ECM, I noticed right away that the O2 voltage was instantly di... Trouble codes: 44 (lean exhaust), 33 (maf signal high). |
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| 1998 Chevrolet C1500 Cheyenne 4.3L noise/noisy VIN: 1GCEC14W8W I recieved some great tips, especially those pertaining to voltage & ground loss, etc. The owner of the truck has been unable to bring it back, or wont, Maybe he is tired of me installing free fuel pumps in his truck |
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| 2003 Chevrolet Silverado 1500 SS 6.0L No Start VIN: 2GCEK19N83 i began by trying to start the truck. truck failed to start, so i proceeded with email fix i had recieved. i attempted to start the truck, it failed to start again. i left the key on, approx. 10 minutes the telltale light turned off. i turned key off for 5 sec... |
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| 1992 Geo Metro 1.0L seat belt VIN: 2C1MR2467N I installed a Canadian seat belt (on the pillar) - perfect fit, the mounting provisions were there from the factory (it is an 'ac/dc' vehicle)...thanks for your responses... |
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| 1994 Pontiac Grand Am SE 3.1L Hesitation Hello everyone: At this time (7/17/04) this vehicle has NOT been fixed. I don't want to close this post, however, I am only allowed one update and I have used it and besides there really isn't much new. I want to thank everyone who took the time to reply and I... |
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| 1999 Pontiac Grand Am SE 2.4L traction VIN: 1G2NE12E6X Sorry for the late reply had too be sure it was 100% ok The problem ended up being a oversized pin on the rf harness connector, it took just the right twist for the connection to open.replaced both pins and all is fine now,and was never able to spot it with th... |
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| 1992 Saturn SL1 1.9L Idles too high VIN: 1G8ZH5497N Sorry about the late fix posting, we had to special order a reman PCM for the vehicle. A number of responses pointed to pattern failures in either the coolant temp sensor or it's connector. Several mentioned finding issues with the throttle position sensor. A ... |
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