P2148

Fuel Injector Group A Supply Voltage Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$6–56 (est.)

Symptoms

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

Causes

Damage to the injector wiring harness
Fuel pump relay malfunction
Problems with the engine control unit
Short circuit in power supply
Bad fuse

How to Fix

Check the integrity of the injector wiring harness
Check the condition of the fuel pump relay
Diagnose the engine control unit
Check power supply fuses
Measure the voltage in the injector circuit

Related codes

P2147 P2149 P2150