P02B4

Cylinder 7 - Injector Restricted

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Uneven engine operation
Misfire in cylinder 7
Power reduction
Increased fuel consumption
Jerking during acceleration

Causes

Dirty or clogged nozzle
Injector electrical circuit malfunction
Problems with the fuel pump
Low fuel pressure
ECU malfunction

How to Fix

Check the condition of the injector of the 7th cylinder
Clean or replace the nozzle if necessary
Check the injector electrical circuit
Check fuel pressure
Scan the ECU for other errors

Related codes

P0207 P0307 P0172