P21E8

Cylinder 7 Injector B Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Unstable engine operation
Power Loss
Increased fuel consumption
Check Engine Light Is On
Misfire in cylinder 7

Causes

Short circuit in the injector circuit
Faulty injector of cylinder 7
Wiring harness damage
Problems with injector connectors
Engine control module malfunction

How to Fix

Check the resistance of the injector of cylinder 7
Inspect the wiring harness and connectors for damage.
Check injector control circuit for short circuit
Replace the faulty injector if necessary
Check the operation of the engine ECU

Related codes

P21E7 P21E9 P0207