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P0191 Diagnostic Trouble Code Discussion for July 2016

Fuel Rail Pressure Sensor Performance


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Trouble Ticket Help Requests for DTC P0191
Help Request Posted
2008 Chevrolet Silverado 3500 HD LT 6.6L Poor Idle Quality, Hesitation, Cuts out, MIL Lamp on VIN: 1GBJK34688
P0191: FRP sensor circuit performance. ... got me frustrated... It will set dtc P0191 intermittently.. (like every Couple days or so). It all started when it set a P0087 along with reduced power mode, at that point we discovered that somebody had put an aftermarket fuel lift pump inline, it was fau...
July 05, 2016
2008 Chevrolet Silverado 3500 HD LT 6.6L Poor Idle Quality, Hesitation, Cuts out, MIL Lamp on VIN: 1GBJK34688
P0191: FRP sensor circuit performance. ... got me frustrated... It will set dtc P0191 intermittently.. (like every Couple days or so). It all started when it set a P0087 along with reduced power mode, at that point we discovered that somebody had put an aftermarket fuel lift pump inline, it was fau...
July 28, 2016