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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 17, 2008
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Open Help Requests for GM
Help Request Answers
1996 Chevrolet S10 LS 4.3L Misfire, MIL Lamp on VIN: 1GCCS19X7T
Rebuilt engine about 7,000 miles ago. Recplaced Cam, crank, pistions and block reworked, rings and bearings, heads professionally redone. Engine fired on first try (after proper oil priming). One problem was a cam/crank corelation error (dist. installed one to... Trouble codes: P0300
1999 Chevrolet Silverado 1500 5.3L Mechanical VIN: W7R5F54RTY
Hey All Virginia state inspectors and anyone else who wishes to offer advice. Thank you all in advance and please forgive the unspecific problem. The question we are facing at our shop concerns most gm pickups, suburbans, tahoe, and the truck and van classes i...
1988 Oldsmobile Cutlass Supreme 2.8L operation VIN: 1GMA5WLT20
hello all this car came to us with blown head gaskets and customer requested new heater cores evap core drier orface tube and compressor to do change over from 12 to 134 his old comp was leaking done change over and with a/c on max it only get to 60 degrees co...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Chevrolet Silverado 1500 4.3L Cuts out, Stall VIN: 1GCFC19XO4
The coil has two wires going into the Primary...The Black and white wire was loose in the Harness, OEM pigtail Harness fixed the Problem... Thanks To All who replied
2000 GMC Savana 3500 6.5L Hesitation, MIL Lamp on VIN: 1DDHG31F2Y
Thanks to all that replied. Was asked to ck 5V ref at boost sensor. None found. Check wiring diagram, pin out 5V at ECM - ok. Ran separate wire to boost sensor from ECM, Ck light came off imediately and veh had a nice punch to it. Sub harness ontop of manifold... Trouble codes: P0237.
1996 Saturn SC2 1.9L Tran's ? VIN: 1G8ZG1272T
As I suspected I got bad new's from the responses. 4 out of 6 suggested that the pin in the differential had sheared of the keeper and was sliding out and hitting the case. They were absolutely correct. I ripped it's heart out and sure enough the pin was slidi...
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