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Prev Professional Automotive Repair Technical Discussions for March 18, 2011
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Open Help Requests for GM
Help Request Answers
1998 Chevrolet Blazer LS 4.3L turn signals VIN: IGNDT13W22
New customer, so don't know any history on this vechile. Here's the problem - - first time driving in the morning everything is fine. Use the turn signals and they work - everything lights up as it should. Make your turn and turn signals cancel lights go out ,...
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2002 Chevrolet S10 4.3L Filter VIN: 1GCCS19W02
I hate having to ask this, but the only similar cases in the forums were mostly low pressure issues. The Oil Filter Gasket was pushed out, Initally I thought the Lube Shop had again overtorqued a filter and split the seal, and it was on really tight. We put a ...
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Fixes & Summaries for GM
Fix/Summary Answers
1995 Chevrolet K2500 Suburban 7.4L Excessive Emissions VIN: 1GNGK26N7S
RAN THE TEST WITH EGR UNPLUGGED AND PLUGGED IN, NOX TEST RESULTS WERE THE SAME, PULLED INTAKE AND FOUND RESTRICTIONS IN INTAKE. TRUCK IS FIXED. EVEN WITH THE HUGE VACUUM LEAK THE TRUCK EXIBITED WITH THE EGR OFF, IT STILL WAS NOT CLEAR FOR THE EGR GAS TO GET BA...
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1997 Chevrolet S10 4.3L control system VIN: 1GKCT18W7V
I finally fixed this beast after maney hours of troubleshooting. there where 5 seperate problems. 1 The neutral safty switch had opens on ckt 276 and 434. 2 The tccm was bad. 3 The encoder moter was out of sync. I could not find any info on how to align it cor...
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2002 Chevrolet Malibu 3.1L Hesitation, Cuts out, Misfire VIN: 1G1ND52J12
it turned out that the wire behind the rear cylinder head touched again, rerouted and insulated with heat resistant tape adn all is well;
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2003 Chevrolet Venture LS 3.4L Idle too hight VIN: 1GNDX03E83
it di not have a vaccum due too i took iac motor off and plug it ond idle came down.i replaced pcm and that fixed it thank to all
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2004 Chevrolet Express 1500 5.3L Cuts out, Stall VIN: 1GNFH15T54
Thanks for the info. I replaced the throttle body per customer request. I cleaned the pcv hoses and intake plenum again. I had a long talk with the customer and he said they use it "in the yard" and it doesn't shut down at night for about 12 hours at a time. I...
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2005 Chevrolet Cobalt 2.2L MIL Lamp on VIN: 1G1AK52F85
Thank You for the help.Alvaro i think you hit it on the head,I took apart the bcm and tcm connectors again and sprayed them with cotact cleaner.Since doing this i have driven it over 400 miles in the last week and half and it has been fine. Trouble codes: U0101, U2107, P0742, U2100, U2105, U2107.
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2007 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AK15F97
Well this was pretty simple. Thanks to Alex for telling me how to test this. It was the check valve was stuck open. Just to let you know this though. The only way to get this right now is through the dealership. And when you order it, make sure you order the g... Trouble codes: P2440 (Secondary Air Injection System Switching Valve Stuck Open Bank1), P0446 (Evaporative Emmission Control System Vent Control Circuit).
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1999 GMC Jimmy SLE 4.3L serpintine belt VIN: 1GKDT13W6X
First off let me say thanks to all those who replied. Several replies took me in the right direction with possible belt alignment problems. I checked the alignment of the PS pump pulley and it wasn't inline with the crank. Next question would be Why not?...
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2004 GMC Yukon SLE 5.3L MIL Lamp on VIN: 1GKEK13Z64
Thanks to all that replied. I replaced the knock sensors and harness and that was it. It always seems to happen that with multiple codes and issues that I do the codes that at are easliy seen and most common repairs and reset odd ball codes and attack them the... Trouble codes: P0332.
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2007 GMC Sierra 1500 SLE 5.3L Mechanical VIN: 1GTEK19047
u guys were right as always. replaced master cylinder next am and had it bled out in less than 15 minutes. thanks again!
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