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Prev Professional Automotive Repair Technical Discussions for June 7, 2012
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Open Help Requests for GM
Help Request Answers
2001 Chevrolet Malibu 3.1L No Start VIN: 1G1ND52J01
has new pcm and 24x crankshaft sensor. tested passlock it is working fine, vtd fuel disable says inactive on data stream , shows 99% engine load koeo and 19ms. for injector pulse but no pulse signal at connector for injectors. HELP AM FRUSTRATED
2005 Chevrolet Trailblazer LS 4.2L head lights VIN: 1GNDT13S55
the truck came in no low beam head lights. there is no power going to lights. there's no power to the fuse. using mitchell i can not find a low beam relay. if i power up the fuse the lights come on. I though the dimmer switch was bad so i got one did not chang...
2005 Chevrolet Colorado Z85 2.8L starter VIN: 1GCCS14825
Thank for any help. Truck came into shop running after rolling off to start. Cut off will not crank. No power to starter sol. Check fuses and relays. Start relay #62 not clicking. Power on only on one terminal B+. Power on clutch swtich. Bypass swtich still no...
2008 Chevrolet Malibu LT 2.4L MIL Lamp on VIN: 1G1ZH57B78
Hello all, think I know what is going on with this car but have never messed with cam actuators before so I was wanting to get a second opinion. This car customer states has a lack of power. I scanned only found p0010 for intake actuator. Does not feel like a ... Trouble codes: P0010
2000 GMC C3500 Sierra SL 7.4L Electronic VIN: 1GTHC33J9Y
vehicle comes in with complaint of hard shifts, and falling out of 4th when hot. owner reported p0753. said he took it back to trans shop and they indicated problem is outside of trans. found vehicle sets p0753 every time and results in maxed out line. teste...
2001 Saturn L300 3.0L No Start, Poor Idle Quality, Stall VIN: 1G8JW52R31
we cleared codes and p1516 returns we use mitchell on demand not a good description for repair on that code it talks about a throttle body module but we do not see one on the vehicle or in the wiring diagram any help would be greatly appreciated thank you guys... Trouble codes: 1516 (1510 -), 1510 (1519 -), 1519

Fixes & Summaries for GM
Fix/Summary Answers
1995 Chevrolet S10 4.3L No Start VIN: 1GCCS14ZXS
Thanks to everybody for your time . As many said it turned out to be the ignition coil spiking, and killing the ign control module. Thanks again
2003 Chevrolet Silverado 2500 HD LT 6.6L oil leak VIN: N0HAVEV1N0
i put another seal in it its dry now thanks for all the help
2004 Chevrolet Suburban 1500 Z71 5.3L abs VIN: 1GNFK16Z64
Sorry guys, no fix for this one :( 33 of you offered help. Both front wheel speed sensors were replaced, Left front bearing assembly was replaced ( it was very bad) Mounting surfaces were checked and cleaned. Steering wheel position sensor was changed. Wiring ...
2005 Chevrolet Trailblazer EXT LS 4.2L vehicle speed sensor
Thanks to all who replied or contacted me directly. We never figured out what the problem was, but I could make a mile-long list of what the problem wasn't. Replaced pedal and throttle body assembly and vehicle speed read a constant "0". My boss decided we ...
2002 GMC Yukon XL 2500 SLE 6.0L Surge, Cuts out VIN: 3GKGK26U72
Thank you all very much for the good info. It ended up being a bad pump. I checked the voltage to the pump and it didn't change when it acted up. I replaced the pressure regulator, and that didn't help' I checked the grounds at the frame near the pump, at the ...
2005 GMC Sierra 1500 WT 4.8L mil VIN: 2GTEK19V05
it was a broken wire between the ecm and plug under the fuse box! so glad they use wiring that is not so flexable! anyways truck repaired!
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