P1288
Cylinder Head Temp Sensor Out Of Self Test Range
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$6–22 (est.)
Symptoms
- Incorrect engine temperature readings
- Increased fuel consumption
- Poor engine performance when cold
- Check Engine Light
- Possible engine overheating
Causes
- Faulty head temperature sensor
- Open or short circuit in the sensor circuit
- Poor connection or oxidation of contacts
- Problems with the engine ECU
- Mechanical damage to the sensor
How to Fix
- Check the condition of the head temperature sensor
- Check the integrity of the sensor circuit and the quality of connections
- Measure the sensor resistance and compare with the norm
- Replace sensor if necessary
- Clean or replace connectors if corroded