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P0190 Diagnostic Trouble Code Discussion for February 2012

Fuel Rail Pressure Sensor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0190
Help Request Posted
2000 Mercury Cougar 2.5L Poor Idle Quality, Surge, MIL Lamp on VIN: 1ZWFT61L6Y
P0190: Fuel rail pressure sensor A. Did not have this code untill new pump was installed for crank no start concern. Pressure sensor has 5 volts and good ground. reading 1.50 volts at idle. seems to idle poor with surges. sometimes lacks power intermittantly.
February 06, 2012
2000 Mercury Cougar 2.5L Poor Idle Quality, Surge, MIL Lamp on VIN: 1ZWFT61L6Y
P0190: Fuel rail pressure sensor A. Did not have this code untill new pump was installed for crank no start concern. Pressure sensor has 5 volts and good ground. reading 1.50 volts at idle. seems to idle poor with surges. sometimes lacks power intermittantly.
February 06, 2012