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P0191 Fuel rail pressure sensor performance
Posted to Technical Discussion Forum on 3/26/2019 14 Replies

B [2013 Chevrolet Silverado 3500 HD LT, ECM/Inputs/Outputs Waveform] Before I go replacing a pressure regulator I figure I would get some opinions. The waveform is the current of the FRP regulator two on the left rail. When the current drops way down is when t... Login to read more.

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car Vehicle Data

2013 Chevrolet Silverado 3500 HD WT 6.6L

Engine6.6 L
Trans6-speed Automatic (Electronic)

car Vehicle Data

2013 Chevrolet Silverado 3500 HD WT 6.6L

Engine6.6 L
Trans6-speed Automatic (Electronic)