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Professional Automotive Repair Technical Discussions for July 29, 2006 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1988 Cadillac Eldorado 4.5L compressor VIN: 1G6EL1156J agian any help greatly appreciated,there is codes of 446,447 but has pleanty of pressure it was like 96 psi running,reset commpressor (neg. off then back on).works a couple of times then won't,now warm air commpressor won't come on and have b441 cooling fan pr... |
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| 1996 Chevrolet Astro 4.3L Misfire, MIL Lamp on VIN: 1GNDM19W6T 4.3 litre chevrolet miss fire only at idle number 3 and 5 cylinders bring the idle up just a little smoothes out. miss fire goes away? any help out there? please! Trouble codes: P0300 (random misfire) |
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| 2003 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1CFCHGVH Following mitchell ondemand flow chartfor P1635. I have 5-volt ref. at egr,tps,map code keeps coming back checked harness found no problem the only runnng problem is high idle intermittenty clear code drops down to norm. And one time while testing i had 6.25v ... Trouble codes: P1635 |
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| 2001 GMC Jimmy SLE 4.3L No Start VIN: 1GKDT13WX1 Hope someone can help with this,truck came in for heater core replacement,pretty straight forward,pulled dash,heater module,replaced core. Will not restart,cannot get theft relearned via 3 ignition cycles. Security light never goes off. Cannot communicate with... Trouble codes: P1626, U1064 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1989 Buick Regal Custom 3.1L No Start, run then dies VIN: WD14TXK145 this one took some time. finally we found some chaffed and exposed wiring under the altenator, these wires were grounding out causing a no spark/no start condition. after repairing the wires all is fine. thanks to all of you at iatn. |
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| 2000 Chevrolet Corvette 5.7L clutch set VIN: 1G1YY22G9Y Thanks guys for the help.Everything went great.After looking things over a bit I was also able to remove the cradle and drivetrain as an assymbly.I removed the shocks completely,removed the left axle only(brake line clearance)and top ball joints.Unhooked all r... |
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| 2001 Chevrolet Astro 4.3L Hesitation, Surge VIN: 1GCDM19W61 When I watched the data stream frame by frame I noticed the rpm would hit 12000 for one frame and then 7000 for another frame. Since the rpm signal comes frome crank sensor and the sensor was new I took a look at the connector and one of the pins was bent and ... |
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| 1995 GMC K2500 Suburban 6.5L MIL Lamp on VIN: 1GKGK26F1S Just wanted to make sure this was fixed before posting. First of all, I want to thank my untrusty MODIS for leading me down the wrong path. I stated my ECT was 304deg and IAT 297deg, and both never changes. Yet when ECT is unplugged pcm compensates. I went int... Trouble codes: 78 (wastgate solonoid). |
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| 2001 GMC Yukon XL 1500 SLT 5.3L tensioner VIN: 3GKEC16T71 Thanks to all who replied. The problem was the compressor as many suggested. However, the customer took it to another shop for the repairs. Glad I spent the time to research the problem for them for nothing. I'm sorry I wasted y'all's time. |
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| 1995 Pontiac Grand Am SE 2.3L Stall VIN: 1G2NE15D5S Thank-you one and all. Most replies refered to the ECM/quad driver problems.We were testing the o2 sensor voltage from the ECM.Should see a steady 300-450-mv.We were seeing 600 to 900.Then the engine coughed and stalled.Started the the engine back up and it ru... Trouble codes: 45 (rich). |
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| 2001 Pontiac Grand Prix GT 3.8L Stall VIN: 1G2WP52K71 Dear techs; Sorry I have been so long in closing this post, I see its a month now. The reason I was waiting was to see if the car acted up again. I have not heard from the owner since a day or so after I posted the request, so I guess the fuse never blew again... |
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