P021C
Cylinder 9 Injection Timing
P021C is an OBD-II diagnostic trouble code meaning: Cylinder 9 Injection Timing. Common causes: cylinder 9 injector malfunction, problems with the fuel pump. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Reduced engine power
- Misfires
Causes
- Cylinder 9 injector malfunction
- Problems with the fuel pump
- Low pressure in the fuel system
- Malfunction of sensors (mass air flow sensor, crankshaft position sensor, etc.)
- Wiring harness damage
- Problems with the engine control unit
How to Fix
- Check the condition of the injector of cylinder 9
- Check the pressure in the fuel system
- Check the operation of the fuel pump
- Check the condition of the sensors and wiring harness
- Scan the engine control module for other errors
- If necessary, replace the injector or other faulty components
Related codes
Error P021C by Vehicle Brand
FAQ
What does the P021C code mean?
P021C is an OBD-II diagnostic trouble code that indicates: Cylinder 9 Injection Timing
What causes a P021C error code?
The most common causes of P021C include: Cylinder 9 injector malfunction; Problems with the fuel pump; Low pressure in the fuel system; Malfunction of sensors (mass air flow sensor, crankshaft position sensor, etc.).
How do I fix a P021C diagnostic trouble code?
To fix P021C: Check the condition of the injector of cylinder 9. Check the pressure in the fuel system. Check the operation of the fuel pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P021C?
Limited driving only, diagnose soon
How much does it cost to fix P021C?
The estimated repair cost for P021C is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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