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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 16, 2013
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Open Help Requests for GM
Help Request Answers
2004 Cadillac Escalade 6.0L Engine VIN: 1GYEK63N24
Hello i am a little stumped on this one HELP!! have a misfire on cyl#6 have 160 lbs compression getting fuel and spark changed intake gasket.pulled the valve cover looked at the valve springs and valve lift all looked fine. vacuum was steady with gauge any i...
1954 Chevrolet Truck 3100 3.8L starting
slower than normal crank,excessive voltage drop,need old timers assist and advise.
2007 Chevrolet Silverado 1500 WT 5.3L Miss 4 Clinder VIN: 2GCEK13M27
Chevy dod 5,3 engine [...] miss / #4 rocker arms not not moving when engine running,,but move good when cranking and stop when engine starts /engine miss and check engine light come on (engine miss fire code)...good compresion all cylinders ... Good spark ...
2007 Chevrolet Silverado 2500 HD LT 6.0L Tpms and airbag light illuminated VIN: 1GCHK29K67
This vehicle initially came in with a bad battery we replaced the battery while replacing the battery a co worker noticed the tpms light illuminated, this vehicle had to have the remote keyless entry receiver replaced in 2011 because the tire pressure system h...
2007 GMC Acadia SLE 3.6L Start up in park VIN: 1GKER13767
After rebuilding the transmission we get a "Clunk" in park about 1-2 seconds after starts and it jerks a little back wards. Line pressure is 62psi. We changed the valve body and solenoid pack and still have the same "Clunk" Changed the low reverse clutch and t...

Fixes & Summaries for GM
Fix/Summary Answers
1994 Chevrolet S10 LS 4.3L Hesitation, Cuts out VIN: 1GCCS19W9R
When I dead headed the pressure by pinching off the return line the fuel pressure would only go up to 61psi so I then knew the pump was not producing enough pressure. Also noticed that when the key was shut off or the pump shut off the fuel pressure would drop...
1998 Chevrolet K3500 Cheyenne 6.5L No Start VIN: 1GCHK34FXW
i tested the lift pump by opening the bleed screw on the fule filter housing and i had good fuel flow while i turned the ignition to run. I removed the sut down sol. and whached it function by hooking it up to a jump pack and seeing the plunger move. ordered a...
2007 Chevrolet Aveo LS 1.6L Stall VIN: KL1TD56647
well i rescannned for codes checked the data and did what some of u said i really cleaned the throttle body real good its been going now for a month so seems like that fixed it thanks guys Trouble codes: P2106 (throttle control systemperformance), P2110 (tac systemforce limted speed), P2101 (motor circut and performance), P0106 (map out of range), P0420 (cat effncany low bank 1).
2000 Oldsmobile Bravada 4.3L Hesitation, Misfire VIN: 1GHDT13W7Y
Thanks to Alex to the rescue..The problem was in the transfer case, removal of the motor did improve 95% of condition. Replacing the transfer case fixed this vehicle. Their was no doubt this vehicle felt like a missfire condition due to I was the fifth shop t...
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