P1190
PPowertrainFuel Pump Temperature Sensor (FTS) High
What does this code mean?
Severity : LowP1190 is a manufacturer specific code. In the definition used here, it reports a high signal from the fuel pump or fuel temperature sensor (FTS). The exact meaning depends on the manufacturer. The control module uses this temperature to fine tune injection and protect the pump.
Symptoms
- Check engine light on.
- Hot starting sometimes difficult.
- Slight drop in performance.
- Often few noticeable symptoms.
Possible causes
- Corroded or unplugged sensor connector.
- Open wiring or short to voltage.
- Faulty temperature sensor.
- Fuel temperature genuinely high.
- Faulty control module, less commonly.
Diagnosis and repair
- Confirm what this code means for your make.
- Compare the reading with ambient temperature on a cold vehicle.
- Inspect the sensor connector and wiring.
- Measure sensor resistance with a multimeter.
- Replace the sensor if needed, then clear the code.
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Code
P1190
Category
Powertrain
Prefix
P
Standard
OBD-II / SAE J2012