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Prev Professional Automotive Repair Technical Discussions for July 17, 2012
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Open Help Requests for GM
Help Request Answers
1983 Cadillac DeVille 4.1L Excessive Emissions VIN: 1G6AD4787D
Hello dear iatn members, i'm stuck with this classic american icon,it happened that the car failed the ca. Smog inspection with high nox and hc emissions, fuel pressure is good, 15 psi, specs are 10 psi, any way, oxigen sensor was switching very slow, egr valv... Trouble codes: 52 (Ecm memory reset indicator)
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1989 Chevrolet K1500 Cheyenne 5.0L Hesitation, MIL Lamp on VIN: 1GCDK14H7K
This truck came to me becomes the customer claimed it used a lot of oil and wanted a new engine installed. I went for a drive and could tell it was burning oil the whole time and had a lack of power. I installed a new Tri-Star 305 engine. When I was swapping... Trouble codes: 43 (ESC Module)
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2003 Chevrolet Malibu 3.1L No Start VIN: 1G1ND52J33
No start- after many tries it starts and runs fine. There is no spark when it's not starting. I don't know if there is injector pulse because the fuel injectors are buried and I can't get a noid light hooked up, and when it does start, there is no smell of gas...
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1997 GMC K2500 Sierra SL 6.5L Hesitation, MIL Lamp on VIN: 1GTGK29F7V
The light was on all the time. we replaced the cross over pipe and the waste gate vac control solenoid. the ses lamp was out for 4 days but now its back. There is a very small exaust leak but i dont think its big enuff to matter. The customer has gotten the ex... Trouble codes: P0236
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2004 GMC Sierra 2500 SLE 6.0L doors VIN: 1GTHK24U94
can not open left door tryed inside and out and with key sprayed penitrating oil in area of latch any ideas how to open door except a big crow bar. thanks for any help
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2003 Oldsmobile Alero GL 2.2L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1G3NL52F23
Customer went to visit his daughter in hospital,car was running fine.after visiting with her the car was running like crap!could barely get it to my shop the next day.the exhaust was making a weird popping noise at the tailpipe.he said the check engine light n... Trouble codes: P0171, P0300
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Fixes & Summaries for GM
Fix/Summary Answers
1998 Chevrolet S10 2.2L Starting VIN: 1GCCS1446W
well after this truck would not start 3 times and all I had to do to get it started was to put it in neutral wiggle the shifter and it would start,it did it again after changing the ignition switch and the range selector on the trans.So I change the starter an...
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1999 Chevrolet Tahoe LS 5.7L No Start, MIL Lamp on VIN: 1GNEC13RXX
Hello All, Thanks for all of your help. As everyone eluded to from the begining the fuel pump module was defective. Install OEM fuel pump module, fuel filter, and tank pressure sensor cleared memory in VCM and wala she started up perfect with no check engine l... Trouble codes: P0122 (TP or APP Sensor), P1122 (TP Circuit Intermit low voltage), P0101 (Mass Air Flow).
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2000 Chevrolet Suburban 1500 LT 5.3L 2-3 Shift VIN: 3GNFK16T3Y
VERIFIED MY PROBLEM IS INTERNAL TRANS, THANKS TO EVERYONE THAT RESPONDED. I HAD REMOVED DRAIN PLUG TO DRAIN PAN AND THEN REFILLED PREVIOUSLY. REMOVED THE PAN TODAY AND FOUND A TON OF DEBRIS IN THERE. THE FILTER WAS ALMOST COMPLETELY PLUGGED WITH IT. I WILL BE ...
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2004 Chevrolet C6500 Kodiak C6C042 8.1L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 5B4MP67G24
I got some info from another source telling me that the K&N air filter is the problem. Since the problem is at WOT, he said small amount of oil gets into the MAF & creates the problem, saying the oil will burn off so you can't see it. I changed the air filter ... Trouble codes: P0131, P0151.
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2005 Chevrolet Suburban 1500 Z71 5.3L Instrument lamps VIN: 3GNFK16Z65
Thanks everyone for all the help and suggestions. We have been allowing time- to see if this problem is cured. And so far it is. We determined that the short was in the rear door portion of the circuit. We did not locate the exact source of the short, but ...
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2007 Chevrolet Cobalt SS 2.4L MIL Lamp on
Michael from Florida nailed it. Thanks to all others who replied. Purge Sol faulty. Trouble codes: P0496.
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2008 Chevrolet Impala LS 3.9L compressor/control head VIN: 2G1WS55398
I wiggle wires and found tapping on the fuse and relay box while the fans were on and they would cut out. Took fuse box apart and found green corrosion on the wires to the relay. Cleaned wires and connections no problem since. thanks for the help
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1990 GMC K1500 Sierra 5.7L front 4x4 differential
vehicle is fixed, turns out that the intermediate shaft that goes into the right hand tube had several burrs and a little bit of sharpened edges, so when I tried to drive the gear on ,that contains the internal retaining ring, the retaining ring would be shave...
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