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Professional Automotive Repair Technical Discussions for August 12, 2006 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Chevrolet S10 Blazer 4.3L Excessive Emissions, Poor Idle Quality, Surge, BLACK SMOKE VIN: 13NUO12W1R HI ALL History: Replace fuel pump (for long cold start) back in first part of July this year. 2 weeks later customer comes back with runs rough symptom, had a code for EGR and signs of EGR stuck open (rough running, black smoke, bad smell).Replaced EGR valve ... |
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| 1995 Chevrolet Astro 4.3L Unknown VIN: 1GCDM19WOS Hello, Techs!! I need some help on this monster. You start the van, brake is good and firm. Then while driving and braking, pedal sinks to half way to the floor. At the stop, pedal feel OK. I found that pedal sinks more often when I drive on rough road. It nev... |
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| 1997 Chevrolet K2500 Suburban LS 7.4L hard start VIN: 3GNGK26J2V After a hot soak it takes a little longer to crank and runs rough when it starts for a few seconds. A little black smoke on startup. Took upper plenum off and didn't see a fuel leak. Thanks in advance for any help on this one. It's not real bad but customer is... |
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| 2001 Chevrolet Monte Carlo SS 3.8L Cuts out, Stall VIN: 2G1WX15K31 This one is driving the customer nuts (and us). It will intermittently stall when driving. It will restart right away (while coasting). Sometimes it will just stumble while driving and not stall out. It can happen at 80 MPH or at 10 MPH, no rhime or reason. Sh... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Buick LeSabre Custom 3.8L Cuts out VIN: 1G4HP52LXR The car is finally fixed. Since the symptom seemed similar to to module failure under load, we first tried a module with no fix. A new PCM did the trick. While several did suggest a PCM, it was this response from Stephen [...] that convinced me, quoted with ... |
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| 1999 Chevrolet Monte Carlo LS 3.1L compressor 6 replies--1 said control head--4 said to look at pid for a/c request and if it says YES, the control is good,if not check wire at computer for a/c power.---1 said he changed alot of presure sensors.I had to ship this car back to owner before I got these repli... |
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