P3159
Cylinder 4 High-Pressure Fuel Injector High Side Circuit High
P3159 is an OBD-II diagnostic trouble code meaning: Cylinder 4 High-Pressure Fuel Injector High Side Circuit High. Common causes: broken or damaged wires in the injector circuit, poor contact in the injector connector. Estimated repair cost: $22–167.
Symptoms
- Misfire in cylinder 4
- Unstable engine operation
- Reduced engine power
- Increased fuel consumption
- Check Engine Light on Dashboard
Causes
- Broken or damaged wires in the injector circuit
- Poor contact in the injector connector
- Malfunction of the fuel injector of cylinder 4
- Problems with the injector control module
- Malfunction of the engine control unit (rare)
How to Fix
- Check the integrity of the wires in the injector circuit of cylinder 4
- Inspect and clean the injector connector contacts
- Check the resistance of the injector of cylinder 4
- Replace fuel injector if necessary
- Check the operation of the injector control module
Related codes
FAQ
What does the P3159 code mean?
P3159 is an OBD-II diagnostic trouble code that indicates: Cylinder 4 High-Pressure Fuel Injector High Side Circuit High
What causes a P3159 error code?
The most common causes of P3159 include: Broken or damaged wires in the injector circuit; Poor contact in the injector connector; Malfunction of the fuel injector of cylinder 4; Problems with the injector control module.
How do I fix a P3159 diagnostic trouble code?
To fix P3159: Check the integrity of the wires in the injector circuit of cylinder 4. Inspect and clean the injector connector contacts. Check the resistance of the injector of cylinder 4. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3159?
Limited driving only, diagnose soon
How much does it cost to fix P3159?
The estimated repair cost for P3159 is $22–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat