P02F1
Cylinder 4 Injector Circuit Range/Performance
P02F1 is an OBD-II diagnostic trouble code meaning: Cylinder 4 Injector Circuit Range/Performance. Common causes: faulty or clogged injector of the 4th cylinder, damage to the wiring or injector connector. Estimated repair cost: $33–167.
Symptoms
- Vibration and unstable idle
- Dips during acceleration
- Increased fuel consumption
- Misfire in cylinder 4
- Check Engine Light Is On
Causes
- Faulty or clogged injector of the 4th cylinder
- Damage to the wiring or injector connector
- Insufficient fuel pressure
- Fuel filter dirty
- ECU malfunction (rare)
How to Fix
- Read error codes with a scanner, record engine operating parameters
- Inspect the 4th cylinder injector connector for damage and oxidation.
- Measure the resistance of the injector winding (standard: 10–18 Ohms)
- Check the wiring chain from the injector to the computer for open circuit and short circuit.
- Clean the injector or replace it
- Check the pressure in the fuel rail
Related codes
Error P02F1 by Vehicle Brand
FAQ
What does the P02F1 code mean?
P02F1 is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Injector Circuit Range/Performance
What causes a P02F1 error code?
The most common causes of P02F1 include: Faulty or clogged injector of the 4th cylinder; Damage to the wiring or injector connector; Insufficient fuel pressure; Fuel filter dirty.
How do I fix a P02F1 diagnostic trouble code?
To fix P02F1: Read error codes with a scanner, record engine operating parameters. Inspect the 4th cylinder injector connector for damage and oxidation.. Measure the resistance of the injector winding (standard: 10–18 Ohms). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P02F1?
Limited driving only, diagnose soon
How much does it cost to fix P02F1?
The estimated repair cost for P02F1 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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