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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 10, 2015
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1988 Buick Reatta 3.8L Accessories VIN: 1G4EC11C4J
Open car light show happens start car times it will work normal other times it has a message with electrical fault and the screen doesn't turn on no little yellow lights or touch functions, everything else works the dash ect. Now give it ten to twenty mins it ...
2000 Buick Park Avenue Ultra 3.8L MIL Lamp on VIN: 1G4CU5415Y
Thanks in advance, I have this 2000 Buick Park Ave. with a 3.8 super charged engine, that is setting a p0401 on every test drive. EGR valve has been replaced, EGR valve does move to 100% when commanded and vehicle starts to misfire and run rough when commandin... Trouble codes: P0401 (Insuffecient EGR flow)
2008 Buick Enclave CXL 3.6L Engine VIN: 5GAEV23798
Hello Members. I towed this one in off the road as a "Stalled, cranks, but won't restart". When I tried to start it on the road it didn't sound right when it cranked, almost like the cams were out of time. We got it in the shop, recharged the battery, checked ...
1982 Chevrolet Monte Carlo 3.8L Hesitation, Cuts out, Misfire VIN: 1G1AZ377XD
Hi need some help from the old Chevy guru's. We have a 3.8 Chevy engine in an old Mercedes 190 body. The engine is braking up and back firing when under load. We have replaced the carb with a new carb and replaced plugs. The car runs well when idling and if yo...
2006 Chevrolet HHR LT 2.4L guages VIN: 3GNDA23P16
Well here i am again with another head banger! this HHR was sent to the dealer for the famous ignition switch fix along with having the shifter assembly replaced due to the damaged release cable. when we got it back we replaced the battery due to low life expe...
2009 Chevrolet Colorado WT 2.9L ABS and skid control light is on VIN: 1GCCS19939
Test drove vehicle and brakes work good but abs and traction control light is on. Hooked up computer and retrieved code C0252 Active Brake control sensors uncorrelated. Checked data and longitude accelerometer is stuck on [...] and do not have any rea...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Buick LeSabre Limited 3.8L Lights VIN: 1G4HR54K63
This one is fixed and out the door. Looks like burnt out light bulbs in the HVAC control panel is a common thing. One of our Iatn members offered to solder in new light bulbs in the original panel and all is well. I should have known better than to try used pa...
1982 Chevrolet K10 Scottsdale 6.2L Front Crank Seal LEak VIN: 1GCEK14C0C
Thank you to everyone who helped on this. I got a lot of good information and great ideas. I was ready to tell the customer they had just spent a boatload of money putting seals into a junk motor because I checked for a hole in the timing cover, no hole to b...
2003 Chevrolet Avalanche 1500 North Face 5.3L Mechanical VIN: 3GNEK13T43
hi every body, ill appreciate all your advices, problem was driver shaft, sent it to driver shaft shop ,they checked it driver shaft is bad we will get another one today ,thank you guys.
2004 Chevrolet Trailblazer LS 4.2L Unknown VIN: 1GNDT13SX4
OK thanks for all the help from you great folks! I ended up replacing the thermostat with another OEM as well as the temperature sender unit. All codes are gone and the coolant temperature is 198 degF. Thanks once again to all.
2007 Chevrolet Express 3500 6.6L MIL Lamp on VIN: 1GBJG316X7
Well as suspected the EGR was stuck open slightly. We replaced the EGR valve,motor and EGR cooler. no more MAF code. Thanks Mike, Glen and Dustin for confirming my suspicions. Trouble codes: P0101.
2012 Chevrolet Sonic LTZ 1.8L HVAC Blower Fan VIN: 1G1JE6SH8C
Sorry for the delay, it's not too time efficient when we can only work on the vehicle Friday's. We never did get it to act up for us. What we do know is that the blower fan loses power from the relay side, as we tapped in a little red test light for the owner ...
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