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P1174 Diagnostic Trouble Code Discussion for January 2011

Fuel Trim Cylinder Balance

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Trouble Ticket Help Requests for DTC P1174
Help Request Posted
2008 Chevrolet Uplander LS 3.9L MIL Lamp on VIN: 1GNDV23W48
P1174: Air fuel imbalance bank 1. ... the check engine light on. This is a taxi vehicle that puts on lots of miles. We have seen the van five times now and have had slightly differnt issues every time, bu the p1174 code is the only one setting now. It takes the van some drive time to set the c...
January 11, 2011
2008 Chevrolet Uplander 3.9L MIL Lamp on VIN: 1GBDV13W28
P1174: fuel trim cylinder balance bank1. ... hair out.This one has an extended crank time and sometimes a no start and the codes P0172 and P1174 keep setting.After it is started first thing in the morning its good all day.The fuel trims are horrible -5 ST and -25 LT.T...
January 14, 2011
1999 Volvo S80 T6 2.8L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: YV1TS90D8X
P1174: long term fuel trim upper limit. ... a couple months ago for a check engine light on. Had a code for bank 2 rear o2s heater and some fuel trim code. owner stated that the car had been sitting for about a year prior. we changed the 02s and cleared the light. the fuel trim numbers looked ok so ...
January 31, 2011