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Professional Automotive Repair Technical Discussions for May 26, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2007 Cadillac SRX 3.6L Speedometer VIN: 1GYEE63767 Hello iATN, this is my first post but i've had a lot of fixes off this site so i thought id try for one more. Customer brought this vehicle in with the complaint that they had been pulled over by a state patrolman and clocked at 89mph, when they had the cruis... |
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| 1986 Chevrolet Camaro Z28 Iroc-Z 5.0L Cluster VIN: 1G1FP87H7G The problem i am experiencing is as follows,when the vehicle arrived the problem was no dash operation except tach and spedo. When the lights are turned on the gauges drop including tach. Removed the instrument cluster, checked all the grounds which are good. ... |
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| 1997 Chevrolet Express 1500 5.7L Fuel Gauge VIN: 1GBFG15R8V Get fuel gauge to go to empty by grounding purple wire at fuel gauge buffer module that goes to instrument cluster. checked all powers and grounds, 5 volt reference at buffer module. tapped in new sending unit right to buffer module and ground, eliminating all... |
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| 1998 Chevrolet K1500 Silverado 5.7L fuel VIN: 1GCEK19R4W fuel gauge vibrates at a high rate like a hummingbirds wings. Read wrong and long cranks so installed a new GM pump sender, gauge reads right now but needle still vibrates.Needle will change position slightly when lights turned on-off. Seen this alot but have ... |
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| 2000 Chevrolet S10 4.3L Excessive Emissions, Hesitation, Stall, Misfire, MIL Lamp on VIN: 1GCCS19W6Y hi there.i have a 2000 s10 in with a bad miss fire seems like cylindes #3 and #6.replaced wires cap roter and dist.computer fireing injectors and they all ohm the same.scan tool data shows o2"s are ok.tryed a module no different.could this be pluged injectors ... Trouble codes: P0300 |
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| 2000 Chevrolet Blazer LS 4.3L No Start, backfires This Blazer came in on a hook another tech looked at it and came to the conclusion that it jumped time so he R&R timing cover check chain and had sone slop but didnt jump time. He replaced it due to slop put it all back together and has same problem it backfir... |
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| 2001 Chevrolet W3500 Tiltmaster W3S042 5.7L Abs Light On - No Codes VIN: 4KBB4B1RX1 ABS light is commanded on by the ABS controler, but we have no codes. We have communication with the ABS module through the Tech 2 and all data appears normal. We can turn the light on and off with the by-directional controls, but the light is commanded on any... |
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| 2002 Chevrolet Silverado 2500 HD LS 6.0L Door locks and Daytime Running Lights VIN: 2GCHK29U82 Not even sure where to start with this thing. When the truck is put into gear, the Daytime running lights come on as they should. Once you start moving in forward or reverse, the daytime parking lights come on, but the DRL's stay on still and sometimes the pow... |
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| 2004 Chevrolet Impala 3.4L No Start, Poor Idle Quality, Cuts out, Stall VIN: 2G1WF52E74 This was brought in with an intermittent No start.Will crank,has great fuel pressure,and has spark.When in a no start condition while cranking the check engine light flickers also flickers when not cranking when in the no start mode.Also there is no data strea... Trouble codes: P0520, U1000 (-Radio code - class 2 data link malf.), U1016 (-Airbag code -), U1255, B2618, B2655 |
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| 2005 Chevrolet Silverado 3500 6.6L MIL Lamp on VIN: 1GCHC23205 We are attempting to re-program the PCM to correct a problem with EGR codes. We are using a Tech 2. Downloaded vehicle information into the Tech 2, then went to the internet and downloaded the update. When we went back to the vehicle to install the update, we ... |
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| 2007 Chevrolet Uplander LT 3.9L ABS module VIN: 1GNDU23107 I have a 07 uplander that came from another shop thats giving me trouble. Intermittently, mostly within the first few minutes of driving you can hear the ABS pump running and feel a slight vibration in the brake pedal during slow speed stops. Pulled codes and ... |
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| 1990 Oldsmobile Delta 88 Royale Brougham 3.8L compressor VIN: 1G3HY14CXL Usually dont get involved in ac work... but its a relative... thanks in advance for any and all help... the ac compressor is running/ as is the cooling fan when ac is on... my pressures are 90+ psi on Low Side and Under 80psi on High side. receiver dryer is no... |
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| 2006 Saturn Ion-3 2.4L Starter VIN: 1G8AL58B06 When you turn the key to the start position, starter will mostly just click a number of times, then engage or maybe stop doing anything at all. Sounds like a low battery or bad starter. What I've come up with at this point is the ground from the PCM to #29 rel... |
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| 2009 Saturn Aura XE 2.4L Excessive Emissions, MIL Lamp on VIN: 1G8ZS57B29 Since we just replaced the exhaust manifold we thouroly checked over our work and everything looks fine. I reset the pcm several times by the use of a scan tool and by discnecting the battery.This code continues to return.At idle the long term fuel trims are n... Trouble codes: P0172 (Bank 1 sys. too rich) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Cadillac Escalade 5.7L alarm VIN: 1GYEK13R3X Started by checking all 5 door jamb switches.It didnt have the one on the hood. Replaced all switches, alarm still would randomly turn on by itself.Thought I had it when i found a striped out battery bolt with corrosion, repaired and no change , alarm went abo... |
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| 1995 Chevrolet Blazer 4.3L Stall VIN: 1QNDT13W8S I hate to say this but nobody got it right. It ran good cold but shut down hot. But when it was hot, it would start if I sprayed gas in the intake, but then it would quit. So it wasn't getting too much gas, via a leaking regulator of injector hose it wasn't ge... |
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| 2004 Chevrolet Suburban 1500 LS 5.3L Steering VIN: 1GNFK16Z64 11 replies, Thank you all. The general consences was that it was a problem in the steering gear or a bad aftermarket pump. Other sugestions were to check the system for binding and repacing the sensor at the base of the column. I did use a aftermarket pump whi... |
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| 2001 GMC Yukon XL 1500 SLE 5.3L lean surge VIN: 3GKEC16T21 This turned out to be a case of looking in the wrong place. My scan tool and the seat of my britches was directing me towards a lean condition on bank 1. Turned out to be a partially restricted cat on bank 2. Never even considered this til someone mentioned it... Trouble codes: P0300. |
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| 2004 GMC Savana 3500 6.0L MIL Lamp on VIN: 1GTHG35U64 Hi and thanks everyone for the help. Overwhelmingly everyone agreed that a crank learn was needed. And that is what fixed it. The frustrating part is that my Mac Tools mentor would not do it, I also borrowed a Snap On solus, it also did not work. Finally t... Trouble codes: P0300. |
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