P021A

Cylinder 7 Injection Timing

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–222 (est.)

Symptoms

Misfire in cylinder 7
Engine power drop
Increased fuel consumption
Unstable idle
Detonation

Causes

Cylinder 7 injector malfunction
Problems with the injector wiring harness
ECU malfunction
Mechanical engine damage
Incorrect valve timing
Sensor errors (DPKV, DPRV)

How to Fix

Check the serviceability of the injector of cylinder 7
Inspect the wiring harness for damage
Check for errors in sensors (DPKV, DPRV)
Check the valve timing
Test the ECU for software or hardware faults
If necessary, replace the injector and/or repair the wiring harness

Related codes

P0207 P0307 P0016 P0017