P029C
Cylinder 1 - Injector Restricted
P029C is an OBD-II diagnostic trouble code meaning: Cylinder 1 - Injector Restricted. Common causes: dirty/clogged fuel injector, abnormalities in the injector control circuit (wiring harness, connectors). Estimated repair cost: $56–167.
Symptoms
- Unstable engine idling
- Power Loss
- Increased fuel consumption
- Misfire in cylinder 1
Causes
- Dirty/clogged fuel injector
- Abnormalities in the injector control circuit (wiring harness, connectors)
- Mechanical wear of the injector
- Problems with the fuel pump or filter
How to Fix
- Check injector resistance and wiring integrity
- Clean the injector with ultrasound or replace it
- Check the pressure in the fuel system
- Reset the error and take a test drive
Related codes
Error P029C by Vehicle Brand
FAQ
What does the P029C code mean?
P029C is an OBD-II diagnostic trouble code that indicates: Cylinder 1 - Injector Restricted
What causes a P029C error code?
The most common causes of P029C include: Dirty/clogged fuel injector; Abnormalities in the injector control circuit (wiring harness, connectors); Mechanical wear of the injector; Problems with the fuel pump or filter.
How do I fix a P029C diagnostic trouble code?
To fix P029C: Check injector resistance and wiring integrity. Clean the injector with ultrasound or replace it. Check the pressure in the fuel system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P029C?
Limited driving only, diagnose soon
How much does it cost to fix P029C?
The estimated repair cost for P029C is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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