P021A
Cylinder 7 Injection Timing
P021A is an OBD-II diagnostic trouble code meaning: Cylinder 7 Injection Timing. Common causes: cylinder 7 injector malfunction, problems with the injector wiring harness. Estimated repair cost: $56–222.
Symptoms
- Misfire in cylinder 7
- Engine power drop
- Increased fuel consumption
- Unstable idle
- Detonation
Causes
- Cylinder 7 injector malfunction
- Problems with the injector wiring harness
- ECU malfunction
- Mechanical engine damage
- Incorrect valve timing
- Sensor errors (DPKV, DPRV)
How to Fix
- Check the serviceability of the injector of cylinder 7
- Inspect the wiring harness for damage
- Check for errors in sensors (DPKV, DPRV)
- Check the valve timing
- Test the ECU for software or hardware faults
- If necessary, replace the injector and/or repair the wiring harness
Related codes
Error P021A by Vehicle Brand
FAQ
What does the P021A code mean?
P021A is an OBD-II diagnostic trouble code that indicates: Cylinder 7 Injection Timing
What causes a P021A error code?
The most common causes of P021A include: Cylinder 7 injector malfunction; Problems with the injector wiring harness; ECU malfunction; Mechanical engine damage.
How do I fix a P021A diagnostic trouble code?
To fix P021A: Check the serviceability of the injector of cylinder 7. Inspect the wiring harness for damage. Check for errors in sensors (DPKV, DPRV). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P021A?
Limited driving only, diagnose soon
How much does it cost to fix P021A?
The estimated repair cost for P021A is $56–222. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat