P3156
Cylinder 3 High-Pressure Fuel Injector High Side Circuit High
P3156 is an OBD-II diagnostic trouble code meaning: Cylinder 3 High-Pressure Fuel Injector High Side Circuit High. Common causes: malfunction of the high pressure injector of cylinder 3, open or short circuit in the injector control circuit. Estimated repair cost: $39–167.
Symptoms
- Misfire in cylinder 3
- Unstable engine operation
- Power Loss
- Increased fuel consumption
- Check Engine Light Is On
Causes
- Malfunction of the high pressure injector of cylinder 3
- Open or short circuit in the injector control circuit
- Poor contact in the injector connectors
- Engine control module malfunction
- Wiring harness damage
How to Fix
- Check the resistance of the injector of cylinder 3
- Inspect the injector wiring and connectors for damage.
- Check the voltage in the injector control circuit
- If necessary, replace the injector
- Check the functionality of the engine control module
Related codes
FAQ
What does the P3156 code mean?
P3156 is an OBD-II diagnostic trouble code that indicates: Cylinder 3 High-Pressure Fuel Injector High Side Circuit High
What causes a P3156 error code?
The most common causes of P3156 include: Malfunction of the high pressure injector of cylinder 3; Open or short circuit in the injector control circuit; Poor contact in the injector connectors; Engine control module malfunction.
How do I fix a P3156 diagnostic trouble code?
To fix P3156: Check the resistance of the injector of cylinder 3. Inspect the injector wiring and connectors for damage.. Check the voltage in the injector control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3156?
Yes, but get it checked soon
How much does it cost to fix P3156?
The estimated repair cost for P3156 is $39–167. Actual cost depends on your vehicle, location, and labor rates.
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