P21DE

Cylinder 2 Injector B Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Rough engine operation
Misfire in cylinder 2
Increased fuel consumption
Loss of engine power
Check Engine Light Is On

Causes

Short circuit in the injector circuit
Wiring harness damage
Cylinder 2 injector malfunction
Problems with the engine control unit
Corrosion or poor contact in connectors

How to Fix

Check the resistance of the injector of cylinder 2
Inspect the wiring harness and connectors for damage.
Check the integrity of the injector control circuit
If necessary, replace the injector of cylinder 2
Check and, if necessary, replace the engine control unit

Related codes

P21DD P21DF P0202