P2151

Fuel Injector Group B Supply Voltage Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$6–56 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Difficulty starting the engine
Power Loss
Check Engine Light Is On

Causes

Open or short circuit in the group B injector circuit
Faulty fuel pump relay
Problems with the injector wiring harness
Malfunction of the engine control unit (ECU)
Poor contacts in the injector circuit connectors

How to Fix

Check the integrity of the power supply circuit for group B injectors
Check fuel pump relay
Inspect the wiring harness for damage
Check the contacts in the injector and ECU connectors
If necessary, replace faulty components

Related codes

P2152 P2150 P2147 P2148