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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 5, 2019
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Open Help Requests for GM
Help Request Answers
1994 Cadillac Seville STS 4.6L Stall VIN: 1G6KY5299R
vehicle backfired through intake. starter makes funny noise like missing teeth on flywheel. during removal of intake plenum to get to starter, i noticd the fuel rail is broken in several places. so far i havent been able to locate a replacement. no help fr...
2000 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNCT18W8Y
Cant get it to ingage fuel cut out and will not do a cam sync
2015 Chevrolet Express 3500 6.0L MIL Lamp on VIN: 1GB3G3CG2F
The codes were both in there we are replacing the plugs air filter and cleaned the mass air flow sensor and couldn't fine any vac leaks, has anybody run into a common problem with tese codes before? Trouble codes: P0171 (bank 1 lean), P0174 (bank 2 lean)

Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet Tahoe LS 5.7L control head VIN: 1GNEK13R4X
all replies were appreciated. due to the age and mileage of the truck after explaining the issue to the customer he decided it was not worth pursuing. i feel that the folks condemning a dorman electrical part were probably correct. thanks all for the replies.
2000 Chevrolet Suburban 2500 LT 6.0L Lower fuel tank leak VIN: 3GNGK26U3Y
We found a bad gas cap not venting properly and the vacuum vent lines to both gas tanks filled with gas and not allowing the tanks to pull in air when the temperature dropped. There was a vacuum check valve in each vent hose. After we cleaned gas out of the va...
2014 Chevrolet Cruze LT 1.4L MIL Lamp on VIN: 1G1PC5SB6E
was able to look at the map, baro, and boost sensors. took a recording of the sensors on a test drive. then converted the sensors from inHg and found that the map sensor was reading just a hair out of line. replaced map sensor and everything is good. Trouble codes: P00C7.
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