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Prev Professional Automotive Repair Technical Discussions for August 27, 2014
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Open Help Requests for GM
Help Request Answers
2009 Chevrolet Express 1500 5.3L Bus VIN: 1GCFH15409
This van was towed to us with a broken fuel pump pressure control module after replacing and having programed by the dealer. (Who had it for 2 days because it would not take the programing) we got the van back with no communication to the EBCM, fuel pump press...
2011 Chevrolet Equinox LT 2.4L No Start VIN: 2CNALDEC9B
This vehicle has a salvage title from hurricane Sandy flood. It was running fine until someone attempted to steal it by replacing the computer.It has been to 2 dealers and they ran into the same problem I am having. Gm will not give the security code to progra... Trouble codes: FE05
1997 GMC C3500 Sierra SL 5.7L dist VIN: 1GDHC33R1V
engine istalled at another shop brought to my shop to check codes found codes p0102 and p0340 the p0340 code is the one im trying to get help with.when checking with my scanner dist calibration with cam and crank keeps coming up with -45 as soon as you bring t...
1999 Pontiac Grand Prix GT 3.8L Misfire VIN: 1G2WP52K9X
to GM gurus out there. got this grandprix 3.8 ni super charger that has a misfire on cylinder #3. doesn't turn the light on, but you can see it on the data stream that it's missing. replaced coil, s/plug, wire, injector and ignition module to no avail. did a c...
2001 Pontiac Grand Prix GTP 3.8L high idle VIN: 1G2WR52141
Car came n with a very high idle. 2000 rpm at idle or n gear. Customer put a cold air intake kit on vehicle, and that's when the problem started. he said there was no problems with the car before hand. So he took the cold air kit off. Still no good, high idle ... Trouble codes: P0420, P0113, P0502, P0717, B1004

Fixes & Summaries for GM
Fix/Summary Answers
1996 Chevrolet K1500 Cheyenne 5.7L low pedal VIN: 2GCEK19R0T
sorry about taking so long.but today I can call this fixed and I am sick of this one.replaced abs unit with used part .it was worth $50. as a gamble as opposed to $800 for new part .no it didn't seemed to be not enough fluid flow.stock master cyl. bore...
2008 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on VIN: 2GCEK13388
Thanks for all the help and ideas! I replaced all lifters and pushrods, found several pushrods scarred at the ends due to not pumping oil. no more misfires or codes. Trouble codes: P1174.
2006 GMC Savana 3500 6.0L No Start VIN: 1GDJG31U86
Thanks to all those who replied. Sometimes we take for granted when someone else replaced the ignition switch that it was ok, Turned out to be faulty. Ignition switch was cause of voltage drop, Was 7 volts from switch to back of fuse panel.
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