Ford DTC P1290 – Cylinder Head Temperature Sensor Signal Less Than Self-Test Range
DTC P1290 meaning on Ford
DTC P1290: Cylinder Head Temperature Sensor Signal Less Than Self-Test Range.
Ford DTC P1290 symptoms
- Check Engine Light (MIL) illuminated
- Engine running rough or misfiring
- Decreased fuel efficiency
- Poor engine performance
Ford DTC P1290 causes
- Defective cylinder head temperature sensor
- Wiring or connector issues in the temperature sensor circuit
- Engine overheating
Ford DTC P1290 seriousness
The seriousness of DTC P1290 lies in the potential for engine damage due to incorrect temperature readings. It can lead to poor engine performance and reduced fuel efficiency if left unresolved.
How to diagnose DTC P1290 on Ford
- Use an OBD-II scanner to retrieve the trouble codes
- Inspect the cylinder head temperature sensor and its wiring for any visible damage
- Check the sensor’s resistance with a multimeter to verify its functionality
- Perform a visual inspection of the cooling system for any signs of overheating
How to fix DTC P1290 on Ford
- Replace the faulty cylinder head temperature sensor
- Repair any damaged wiring or connectors in the sensor circuit
- Address any underlying issues causing engine overheating
- Clear the trouble codes and reset the Check Engine Light
How to erase DTC P1290 on Ford
- Use an OBD-II scanner to clear the trouble codes
- If the issue has been fixed, the Check Engine Light should turn off automatically
- If the light does not turn off, you may need to disconnect the battery for a few minutes to reset the system