P21E4

Cylinder 5 Injector B Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Rough engine operation
Increased fuel consumption
Misfire in cylinder 5
Loss of engine power
Check Engine Light Is On

Causes

Short circuit in the injector circuit
Cylinder 5 injector malfunction
Damage to electrical wiring
Problems with injector connectors
Engine control unit malfunction

How to Fix

Check the resistance of the injector of cylinder 5
Inspect the injector wiring and connectors for damage.
Check the condition of the fuses
If necessary, replace the injector
Check the operating parameters of the engine control unit

Related codes

P21E3 P21E5 P0205