P1169
Fuel Rail Sensor In-Range High Failure
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine operation at idle
- Difficulty starting the engine
Causes
- Malfunction of the fuel rail pressure sensor
- Open or short circuit in the sensor circuit
- Damaged or corroded sensor connector
- Problems with the fuel pump or pressure regulator
- Contaminated fuel or clogged fuel system
How to Fix
- Check fuel pressure with a mechanical pressure gauge
- Inspect the electrical circuit and sensor connector
- Test the fuel pressure sensor
- Replace the fuel pressure sensor if necessary
- Check the operation of the fuel pump and pressure regulator