P21D8

Cylinder 10 Injector B Circuit/Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Misfire in cylinder 10
Reduced engine power
Increased fuel consumption
Unstable engine idling
Check Engine Light Illuminates

Causes

Open or short circuit in the injector circuit
Cylinder 10 injector malfunction
Problems with the engine control unit
Wiring harness damage
Corroded contacts or poor connection

How to Fix

Check the integrity of the injector circuit
Measure the injector resistance
Check connections and contacts
Replace the faulty injector if necessary
Check and replace damaged wires

Related codes

P21D7 P21D9 P020A