P2148
Fuel Injector Group A Supply Voltage Circuit High
P2148 is an OBD-II diagnostic trouble code meaning: Fuel Injector Group A Supply Voltage Circuit High. Common causes: damage to the injector wiring harness, fuel pump relay malfunction. Estimated repair cost: $6–56.
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
Error P2148 by Vehicle Brand
FAQ
What does the P2148 code mean?
P2148 is an OBD-II diagnostic trouble code that indicates: Fuel Injector Group A Supply Voltage Circuit High
What causes a P2148 error code?
The most common causes of P2148 include: Damage to the injector wiring harness; Fuel pump relay malfunction; Problems with the engine control unit; Short circuit in power supply.
How do I fix a P2148 diagnostic trouble code?
To fix P2148: Check the integrity of the injector wiring harness. Check the condition of the fuel pump relay. Diagnose the engine control unit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2148?
Limited driving only, diagnose soon
How much does it cost to fix P2148?
The estimated repair cost for P2148 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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