P1290
Cylinder Head Temperature Sensor Low Input
P1290 is an OBD-II diagnostic trouble code meaning: Cylinder Head Temperature Sensor Low Input. Common causes: faulty cylinder head temperature sensor, open or short circuit in the sensor circuit. Estimated repair cost: $17–44.
Symptoms
- Unstable engine idling
- Increased fuel consumption
- Difficult cold start
- Check Engine Light Is On
- Reduced engine power
Causes
- Faulty cylinder head temperature sensor
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Corrosion on sensor terminals
- Malfunction of the engine control unit (rare)
How to Fix
- Check the condition of the sensor and its connector
- Diagnose the sensor circuit for open and short circuit
- Measure the sensor resistance (compare with the norm)
- Replace the cylinder head temperature sensor if necessary
- Clean sensor connector contacts
Related codes
Error P1290 by Vehicle Brand
FAQ
What does the P1290 code mean?
P1290 is an OBD-II diagnostic trouble code that indicates: Cylinder Head Temperature Sensor Low Input
What causes a P1290 error code?
The most common causes of P1290 include: Faulty cylinder head temperature sensor; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Corrosion on sensor terminals.
How do I fix a P1290 diagnostic trouble code?
To fix P1290: Check the condition of the sensor and its connector. Diagnose the sensor circuit for open and short circuit. Measure the sensor resistance (compare with the norm). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1290?
Yes, but get it checked soon
How much does it cost to fix P1290?
The estimated repair cost for P1290 is $17–44. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat