P21D6

Cylinder 8 Injector B Circuit/Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Unstable engine operation at idle
Power Loss
Increased fuel consumption
Misfire in cylinder 8
Check Engine Light Is On

Causes

Open or short circuit in the injector circuit
Cylinder 8 injector malfunction
Poor contact in the injector connector
Wiring harness damage
Engine control unit malfunction

How to Fix

Check the resistance of the injector of cylinder 8
Inspect the injector connector and wires for damage.
Check the voltage at the injector connector
If necessary, replace the injector
Check the operation of the engine control unit

Related codes

P0208 P021D5 P021D7