P21EA
Cylinder 8 Injector B Circuit Low
P21EA is an OBD-II diagnostic trouble code meaning: Cylinder 8 Injector B Circuit Low. Common causes: cylinder 8 injector malfunction, open or short circuit in the injector control circuit. Estimated repair cost: $33–167.
Symptoms
- Rough engine operation
- Increased fuel consumption
- Reduced engine power
- Check Engine light comes on
- The engine may go into emergency mode
Causes
- Cylinder 8 injector malfunction
- Open or short circuit in the injector control circuit
- Poor contact in the injector connector
- Engine control unit malfunction
- Wiring Harness Problems
How to Fix
- Check the resistance of the injector of cylinder 8
- Inspect the injector control circuit for damage.
- Check the contacts in the injector connector
- If necessary, replace the injector
- Check the operation of the engine control unit
Related codes
Error P21EA by Vehicle Brand
FAQ
What does the P21EA code mean?
P21EA is an OBD-II diagnostic trouble code that indicates: Cylinder 8 Injector B Circuit Low
What causes a P21EA error code?
The most common causes of P21EA include: Cylinder 8 injector malfunction; Open or short circuit in the injector control circuit; Poor contact in the injector connector; Engine control unit malfunction.
How do I fix a P21EA diagnostic trouble code?
To fix P21EA: Check the resistance of the injector of cylinder 8. Inspect the injector control circuit for damage.. Check the contacts in the injector connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P21EA?
Yes, but get it checked soon
How much does it cost to fix P21EA?
The estimated repair cost for P21EA is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat