P0190 Diagnostic Trouble Code Discussion for February 2012
Fuel Rail Pressure Sensor Circuit Malfunction
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| 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 |
