If the fuel pressure at the injectors is inconsistent, it’ll be really hard for your Malibu to maintain a steady idle speed. This can lead to the engine dying when coming to a stop as well. Poor Fuel Mileage Fuel mileage can suffer when the air/fuel mixture isn’t correct. P0191 - Fuel Rail Pressure Sensor Circuit Range/Performance means the incoming signal from the FRP has fallen below the calibrated limit. Auto Service Costs Find the prices for normal auto service activities including alignment, tuneup, timing belt replacement and more. ![]() Code P0191 fuel issue caused by bad cam sensor. Had a 2013 Chevy Equinox with a code p0191 fuel pressure performance. ![]() 2004 ford explorer fuel pump replacement code# It would set with engine off and put the car into reduced power mode. ![]()
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