P310B
Cylinder 1 High Pressure Fuel Injector Low Side/High Side Electrical
P310B is an OBD-II diagnostic trouble code meaning: Cylinder 1 High Pressure Fuel Injector Low Side/High Side Electrical. Common causes: malfunction of the fuel injector of cylinder 1, open or short circuit in the injector control circuit. Estimated repair cost: $33–167.
Symptoms
- Unstable engine operation
- Misfire in cylinder 1
- Reduced engine power
- Increased fuel consumption
- Check Engine Light Illuminates
Causes
- Malfunction of the fuel injector of cylinder 1
- Open or short circuit in the injector control circuit
- Poor contact in the injector connector
- Problems with the engine control unit
- Corroded contacts or damaged wiring
How to Fix
- Check the resistance of the injector of cylinder 1
- Inspect wiring and connectors for damage
- Check the voltage in the injector control circuit
- If necessary, replace the fuel injector
- Clean or replace damaged wires and connectors
Related codes
FAQ
What does the P310B code mean?
P310B is an OBD-II diagnostic trouble code that indicates: Cylinder 1 High Pressure Fuel Injector Low Side/High Side Electrical
What causes a P310B error code?
The most common causes of P310B include: Malfunction of the fuel injector of cylinder 1; Open or short circuit in the injector control circuit; Poor contact in the injector connector; Problems with the engine control unit.
How do I fix a P310B diagnostic trouble code?
To fix P310B: Check the resistance of the injector of cylinder 1. Inspect 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 P310B?
Limited driving only, diagnose soon
How much does it cost to fix P310B?
The estimated repair cost for P310B is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat