P021B

Cylinder 8 Injection Timing

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Misfire in cylinder 8

Causes

Malfunction of the fuel injector of cylinder 8
Problems with the injector wiring harness
ECU malfunction
Mechanical problems in the cylinder (wear, scoring)

How to Fix

Check the condition of the fuel injector of cylinder 8
Check the integrity of the wiring harness and connectors
Check resistance and operation of the injector
Test control signals from the ECU
If necessary, replace the nozzle or repair the wiring

Related codes

P021A P021C P0308