P21E7
Cylinder 6 Injector B Circuit High
P21E7 is an OBD-II diagnostic trouble code meaning: Cylinder 6 Injector B Circuit High. Common causes: cylinder 6 injector malfunction, open or short circuit in control circuit. Estimated repair cost: $28–89.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Power Loss
- Dips during acceleration
- Check Engine Light Illuminates
Causes
- Cylinder 6 injector malfunction
- Open or short circuit in control circuit
- Wiring Harness Problems
- Engine control unit (ECU) malfunction
- Corroded contacts or poor connection
How to Fix
- Check the resistance of the injector of cylinder 6
- Inspect the wiring harness and connections for damage.
- Check the voltage in the injector control circuit
- If necessary, replace the nozzle or repair the wiring
- Test the operation of the engine control unit
Related codes
Error P21E7 by Vehicle Brand
FAQ
What does the P21E7 code mean?
P21E7 is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Injector B Circuit High
What causes a P21E7 error code?
The most common causes of P21E7 include: Cylinder 6 injector malfunction; Open or short circuit in control circuit; Wiring Harness Problems; Engine control unit (ECU) malfunction.
How do I fix a P21E7 diagnostic trouble code?
To fix P21E7: Check the resistance of the injector of cylinder 6. Inspect the wiring harness and connections 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 P21E7?
Yes, but get it checked soon
How much does it cost to fix P21E7?
The estimated repair cost for P21E7 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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