P2146

Fuel Injector Group A Supply Voltage Circuit/Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$6–33 (est.)

Symptoms

Unstable engine operation
Misfires
Reduced engine power
Increased fuel consumption
Check Engine light comes on

Causes

Broken wires in the injector power supply circuit
Poor contact in injector connectors
Faulty relay or fuse
Problems with the engine control unit
Short circuit in the circuit

How to Fix

Check the integrity of the wires in the injector power supply circuit
Inspect and clean the contacts in the injector connectors
Check relays and fuses associated with injectors
Test the engine control unit
Replace damaged wires or connectors

Related codes

P2147 P2148 P2149