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Professional Automotive Repair Technical Discussions for June 5, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Cadillac Eldorado 4.6L MIL Lamp on VIN: 1G6ET1292V Hey All,WE have this Eldo with lean bank 2 lt fuel trim is 20% @ idle bank 1 is 9% @ idle.Check with smoke machine for vacuum leak and with propane none found.Also flushed fuel injectors with no help.Did injector balance test all test good.Any ideas? Thanks in... Trouble codes: P0174 |
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| 2002 Cadillac Seville SLS 4.6L blower motor VIN: 1G6KS54Y42 thanks in advance, this cadillac came in with the blower motor inop. customer said it gave no warning, it just quit. checked for power and ground to the blower motor. Has 14v on power wire and 6 volts on ground wire. then checked power and ground to the blower... |
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| 1987 Chevrolet R10 Custom Deluxe 5.7L fuel gauge VIN: 1GCER14H8H I have a problem with the ecm fuse blowing when I try to switch to the right tank. I have the brown and white wire tied to the gray wire on the right tank pump assembly. So in other words the left tank power supply is used to power the right tank. Is there som... |
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| 1999 Chevrolet Silverado 2500 6.0L 4x4 VIN: 1GCGK24U4X Hi Guys, This one is killing me. I got this Silverado at auction. The 4X4 switch will light up all the lights or none at all. If I turn the key on and off a few times I can get all the lights on the switch to light up at the same time. When I turn the key on t... |
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| 2000 Chevrolet Monte Carlo SS 3.8L compressor Hi, I have a chevy Monte Carlo with no A/C. The problem is comp. is not receiving power. I checked all voltage at fuses and relay and all ok. Except the PCM is not grounding a/c relay. If I jump relay comp works fine and a/c pressures are fine. Scanner shows ... |
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| 2003 Chevrolet Malibu 3.1L AC Compressor VIN: 1G1ND52J63 Hello, thnaks in advance for your help. 2003 Malibu with the 3100 SFI. I replaced the AC compressor because it was leaking, AC system was working fine besides that. 3 reman compressors that I have put in, keep blowing the fuse. It starts drawing between 6 and ... |
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| 2004 Chevrolet Venture LS 3.4L water in floor VIN: 1GNDX03E94 customer has been coming in for 2yrs now and is complaining of water getting under the carpet and saturating the floor on the drivers floor board,this is only occuring when it is a/c season so we felt it had to be related to the a/c but yet we are seeing no si... |
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| 2005 Chevrolet Express 3500 6.0L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1GCHG35U55 Well this vehicle come to me after many trips to the dealer and a private goodyear repair center. It is from a fleet that i serviced for many years only to loose the account several years ago. They bought this back to me as a last resort and I am hoping that I... Trouble codes: P0103, P0174, P0300, P0356 |
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| 2007 Chevrolet Impala LS 3.5L tire wear VIN: 2G1WT55K58 Don't like to use this method for this problem, but I need to align this car today and can't find the front and rear alignment specs. Can someone tell me what they are? your help ia much appeciated. Deck |
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| 1996 Geo Tracker 1.6L MIL Lamp on VIN: 2CNBJ1861T i have tested everything and replaced egr , transducer filter, tested the map sensor tested the solenoid, and vaccum solenoid with a filter on top. everything tested good. this is a very good customer of mine and would like to keep them happy . need help Trouble codes: P0400 |
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| 2002 GMC Sierra 3500 6.6L No Start, Stall, Blows ECM-B fuse VIN: 1GDJK34162 Hello Duramax tech's, I had a road service call yesterday for a stalled out duramax truck. This truck was towing a small backhoe and had about two tons of dirt in the bed when it stalled under full power going up hill. My customer stated it seemed low on powe... Trouble codes: N0NE |
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| 2004 GMC Envoy SLE 4.2L radio VIN: 1GKDT13S64 Hello Group, As listed in the related repair history, my intial repair concern was to clear the "locked" message on the radio. I did this with my tech2. The locked message is gone but there is no sound from the replacement unit. This is affecting the audio me... |
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| 2006 GMC Sierra 2500 HD SL 6.0L ABS Motor VIN: U46F238895 Thanks for your help in this matter. This vehicle has a brake fluid leak coming from the ABS controller, located midway under the vehicle .My question is if I replace the ABS unit is there any special procedure necessary to bleed the system other than my power... |
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| 2000 Oldsmobile Intrigue GX 3.5L temp guage VIN: 1G3WH52H1Y car came in with erratic temp readings, we changed thermostat and flushed the system. now temp is stable but customer noticed when using heater the temp guage travels to a high point almost at redline. we verified and checked engine temp that was normal. after... |
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| 2004 Pontiac Grand Am SE 2.2L Safety VIN: 1G2NE52F14 This Grand am has had a problem ever since we installed a clutch and slave cyl. The transmission goes into reverse hard and the key will come out of the ignition all the time (only supposed to come out when vehicle is in reverse). There is also a constant clic... |
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| 2001 Saturn L300 3.0L No Start VIN: 1G8JW52R81 Towed in by owner, crank no start, can here fire and sounds like no injecter pulse. Can see no rpm on tach or on scanner when turned over.TPS voltage at 1.17v at closed throttle.TPS % shows 15 at closed thro and 99 at wot.App 1 voltage is .41 at closed throt a... Trouble codes: P0463 (fuel level snsr ckt signal), P0453 (evap pres sign high or open), P0123 (tp or app 1 ckt open or high), P0122 (tp or app sens 2 short or low), P0123 (tp or app 1 ckt open or high) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2001 Chevrolet S10 2.2L MIL Lamp on VIN: 1GCCS19501 As most of you know, it is always good buisiness practice to try and gather as much info as we can before and during diagnostics of the modern automobile. The truck came in my shop and we did an initial inspection of the problem found with the understanding th... Trouble codes: P0420. |
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| 1998 GMC Jimmy Envoy 4.3L o2 sensor bank 1 VIN: 1GKDT13W2W Ahoy!! Another easy fix after looking into the problem. I did not connect one of the grounds at the back of the engine. Finding the issue was easy connecting that ground wire was certainly not. |
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| 2005 GMC Yukon Denali 6.0L Steering VIN: 1GKEK63U75 steering gear fixed the problem... thank you for help... |
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| 1997 Pontiac Grand Prix SE 3.8L No Start VIN: 1G2WJ52KOV I don't understand this at all but the vehicle is fixed. First I should apologize. I got a ton of replies on this and almost all said crank sensor or wiring to. I said I had scoped the cam and crank and had good pattern in to ICM. I dismissed all replies becau... Trouble codes: P0336. |
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| 2002 Pontiac Grand Prix GT 3.8L abs communication VIN: 1G2WP52K72 First thing I did was take the car to the dealer, the tech 2 communicated and we were able to see a speed differance to the left front. As stated in the tsb that was brought to my attn. and by the advice of the dealer tech I removed LF wiring harness and found... |
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| 1993 Saturn SL2 1.9L No Start VIN: 1G8ZJ5574P I couldn't beleive it, Temp. sensor that was a first for me and most of you hit the nail on the head, thank you all. |
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| 2001 Saturn SC2 1.9L fuse box VIN: 1G8ZY12731 several replies said just wire a relay around outside of box. One reply gave me good idea of how box was acually put togather. after wiggling relay and fuses for fuel pump we were never able to duplicate problem. customer kn... |
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