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Prev Professional Automotive Repair Technical Discussions for April 30, 2014
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Open Help Requests for GM
Help Request Answers
2002 Chevrolet Venture LS 3.4L blower motor shuts off VIN: 1GNDX03E82
I have this venture van that the blower motor shuts off on high speed number 5 after a min or two but if you turn it to number 4 or lower it works I tired a blower resistor it loses power to fan motor when in number 5 speed which is high speed I even tired a t...
2006 Chevrolet Express 3500 LT 6.0L fuel guage VIN: 1GAHG39U96
Fuel guage reads empty and fuel light is on. Replaced the fuel pump assembly. Had assembly out and plugged up. Moved lever and it worked. Put it back in car and it does not work.
1999 GMC Yukon SLT 5.7L MIL Lamp on VIN: 1GKEK13R8X
Vehicle came in for coolant leak, Found intake gasket leaking at corners as they do. At this time the only codes were o2 sensor low voltage codes. Also found the fuel spider was leaking in intake as well. We replaced the spider and the lower intake gaskets and... Trouble codes: P1345 (Cam and crank correlation)
2006 GMC Yukon XL 1500 SLE 5.3L Steering angle VIN: 1GKFK16Z06
Hi I have this Yukon that has 2 codes in it C0472 and c0473. High and low voltage. The service stability message comes on. I looked at the voltage on the scanner and it changes when I turn the wheel. Not real familiar with this system. Any help would be greatl...
2004 Hummer H2 6.0L MIL Lamp on, Limp mode VIN: 5GRGN23404
This one has me stumped. Vehicle comes in while in limp mode. Found codes p0120 and p2135. Cleared codes and it ran fine. Vehicle has been back 4 times with the same issue and everytime i find myself just throwing parts at it (see related repair history). All ... Trouble codes: P0120 (Throttle position sensor circuit malfunction), P2135 (Throttle position voltage correlation)

Fixes & Summaries for GM
Fix/Summary Answers
1999 Cadillac Seville SLS 4.6L oil level VIN: 1G6KS54YXX
After many checks we found no dipsticks available from GM (nationwide locator finds Zero), did find that the 98-99 Seville uses a longer (aprox 2 inches0 dipstick than any others. this one has a shorter stick in it. found 1 on ebay and ordered it. one of the g...
2005 Chevrolet Silverado 2500 HD 6.0L injectors VIN: 1GCHK24U25
sorry guys this customer didn't want to spend any more time or money as he was selling the vehicle. the truck ran very good after the occasional 30sec rough start. thanx for your replies
2008 Chevrolet Silverado 1500 WT 5.3L oil pressure VIN: 2GCEC13J48
after reading the responses I opted to remove the oil pump and inspect the oil pressure relief valve in the pump. what I found was the valve had signs that it had been sticking the side of the valve had uneven wear and rough spots on it indicating a sticking v...
1996 Oldsmobile Cutlass Ciera 3.1L circuit 39 VIN: 1G3AJ55M2T
Sorry guys no fix. Car hasnt acted up at all. Customer picked it up today. If we get a fix in the future ill let you know. Thanks to every one who spent their time trying to help. To summarize this vehicle does not have the sdm under the carpet like some do. I...
2002 Oldsmobile Alero GL 3.4L Stall VIN: 1G3NL52E92
Hi To all read and answer, The fixed is reconnect serial data line, I believed the aftermarket immobolizer relay get weak, periodic open up the circuit. Once I reconnect back to original every thing back to normal. Thank you all again, you guys are the best. F... Trouble codes: P1626 (Anti Theft system).
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