P2691
Cylinder 6 Injector Data Incompatible
P2691 is an OBD-II diagnostic trouble code meaning: Cylinder 6 Injector Data Incompatible. Common causes: malfunction of the injector of the 6th cylinder, open or short circuit in the injector circuit. Estimated repair cost: $28–167.
Symptoms
- Uneven engine operation
- Misfire in cylinder 6
- Increased fuel consumption
- Loss of engine power
- Check Engine Light Is On
Causes
- Malfunction of the injector of the 6th cylinder
- Open or short circuit in the injector circuit
- Poor contact in the injector connector
- Problems with the engine control unit
- Mechanical damage to the wiring harness
How to Fix
- Check the resistance of the injector of the 6th cylinder
- Inspect the injector electrical circuit for damage
- Check the contacts in the injector connector
- Test the operation of the injector on a stand
- If necessary, replace the injector
Related codes
Error P2691 by Vehicle Brand
FAQ
What does the P2691 code mean?
P2691 is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Injector Data Incompatible
What causes a P2691 error code?
The most common causes of P2691 include: Malfunction of the injector of the 6th cylinder; Open or short circuit in the injector circuit; Poor contact in the injector connector; Problems with the engine control unit.
How do I fix a P2691 diagnostic trouble code?
To fix P2691: Check the resistance of the injector of the 6th cylinder. Inspect the injector electrical 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 P2691?
Yes, but get it checked soon
How much does it cost to fix P2691?
The estimated repair cost for P2691 is $28–167. Actual cost depends on your vehicle, location, and labor rates.
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