P1269
Injector 4 Implausible Signal
P1269 is an OBD-II diagnostic trouble code meaning: Injector 4 Implausible Signal. Common causes: malfunction of the injector of the 4th cylinder, open or short circuit in the injector circuit. Estimated repair cost: $17–89.
Symptoms
- Unstable engine operation
- Misfire in cylinder 4
- Reduced engine power
- Increased fuel consumption
- Check Engine Light Is On
Causes
- Malfunction of the injector of the 4th 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 4th cylinder
- Inspect the injector chain for damage
- Check the contacts in the injector connector
- If necessary, replace the injector
- Check the operation of the computer
Related codes
FAQ
What does the P1269 code mean?
P1269 is an OBD-II diagnostic trouble code that indicates: Injector 4 Implausible Signal
What causes a P1269 error code?
The most common causes of P1269 include: Malfunction of the injector of the 4th 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 P1269 diagnostic trouble code?
To fix P1269: Check the resistance of the injector of the 4th cylinder. Inspect the injector chain for damage. Check the contacts in the injector connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1269?
Yes, but get it checked soon
How much does it cost to fix P1269?
The estimated repair cost for P1269 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat