P029C

Cylinder 1 - Injector Restricted

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

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

P0301 P0171 P0201