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Prev Professional Automotive Repair Technical Discussions for August 22, 2009
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Open Help Requests for GM
Help Request Answers
1981 Chevrolet C10 Deluxe 5.0L Hesitation, Choking out VIN: 2GCDC14G5B
My good customer decided to restore his 81 chevy pickup, the usual 305, 3speed combo. Delivered truck to customer to get exhaust (header/sidepipes) installed with final tune to follow. Ran good for a week and then the motor started puking out. What's happening...
1999 Chevrolet K2500 Suburban 6.5L No Start, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 3GN5756347
Has- PMD relocated to intake manifold before I got truck, SS Diesel ecu, Marine injectors, running home brew b100 that is in about 5 other cars as we speak with no issues, so should be good fuel. So a few months ago I drive 75 miles and park it. Several hours... Trouble codes: P0251, P0335, P0606
1999 Chevrolet Silverado 1500 4.3L Ignition coil VIN: 2GCEC19W1X
Hi every one. I am working on silverado for no start. Vehicle towed in. Try to start it just crank wont run. Fuel pressure at 60 psi. Found no spark and any spark plug wire. No spark out of ignition coil. Done the ALL data flow chart :- Apply B+ to the C termi...
2006 Chevrolet Silverado 2500 HD LT 6.6L crank time VIN: 1GCHK29D46
Duramax techs, This one developed long crank time, worse cold. This developed suddenly. 3-4 second crank time warm, longer cold. Important: glow plug light only stays on for a split second now. No glow plug codes. Where do I go from here? Thank you,
2003 GMC C4500 Topkick C4E042 6.6L No Start VIN: 1GDE4E1193
Truck will not start after long drives. have to let truck sit for hours until it will start. when problem occurred I primed system until primer was hard to push & attempted to start while watching fuel rail pressure. pressure never got above 6 mpa. desired was...
2003 Pontiac Sunfire SE 2.2L battery dead VIN: 1G2JB12F73
main problem: customer states vehicle will not start after setting 1 to 2 hours. They jump started it twice yesterday. I get into vehicle with my jumper box near starts fine. I tested the battery with a midtronics tester-tests good, engine cranks at n...

Fixes & Summaries for GM
Fix/Summary Answers
2006 Cadillac SRX 3.6L timing chain VIN: 1GYEE637X6
With how new the vehicle was, the special tools involved, and limited places to get an engine, we finally convinced the customer to take it to a dealer we recommended, and was willing to help. I am curious why there would be a failure with this low of miles t...
2002 Chevrolet Impala 3.8L Cuts out, Misfire VIN: 2G1WH55K22
thanks to everyone who replied. As almost all of you sugested the maf was bad . replaced it today and the thing runs like a new one. Cust is happy and I am still wondering why it did not trip a code? I reroad test and maf hz run in the 2400 range now and t...
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