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P1174 Diagnostic Trouble Code Discussion for February 2020

Fuel Trim Cylinder Balance


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Trouble Ticket Help Requests for DTC P1174
Help Request Posted
2008 Chevrolet Suburban 1500 LTZ 5.3L Poor Idle Quality, Hesitation, Surge, Stall, Misfire VIN: 3GNFK16388
P1174: random misfire. ... about this same vehicle. This vehicle came into our shop with a bad misfire. Vehicle was diagnosed with bad lifters. We replace the motor only because it had very high mileage. After we replaced the motor we could not get it to idle correctly, it would...
February 17, 2020