P2149

Fuel Injector Group B Supply Voltage Circuit/Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$6–56 (est.)

Symptoms

Uneven engine operation
Power Loss
Increased fuel consumption
Check Engine Light Is On
Problems starting the engine

Causes

Broken or damaged wiring harness
Faulty relay or fuse
Contact corrosion
Problems with the control unit (ECU)
Malfunction of the injectors themselves

How to Fix

Check fuses and relays
Inspect the wiring harness for damage
Check contacts for corrosion
Test group B injectors
Check the integrity of the power circuit

Related codes

P2148 P2150 P2151