P0148
Fuel Delivery Error
P0148 is an OBD-II diagnostic trouble code meaning: Fuel Delivery Error. Common causes: fuel pump malfunction, fuel filter dirty. Estimated repair cost: $22–167.
Symptoms
- Intermittent engine operation
- Power Loss
- Bad start
- Floating idle speed
Causes
- Fuel pump malfunction
- Fuel filter dirty
- Wiring harness damage
- Incorrect operation of the fuel pressure regulator
- Problems with fuel injectors
How to Fix
- Check the pressure in the fuel rail
- Diagnose the fuel pump and filter
- Inspect the wiring harness for damage
- Check fuel pressure regulator
- Diagnose fuel injectors
Related codes
Error P0148 by Vehicle Brand
FAQ
What does the P0148 code mean?
P0148 is an OBD-II diagnostic trouble code that indicates: Fuel Delivery Error
What causes a P0148 error code?
The most common causes of P0148 include: Fuel pump malfunction; Fuel filter dirty; Wiring harness damage; Incorrect operation of the fuel pressure regulator.
How do I fix a P0148 diagnostic trouble code?
To fix P0148: Check the pressure in the fuel rail. Diagnose the fuel pump and filter. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0148?
Limited driving only, diagnose soon
How much does it cost to fix P0148?
The estimated repair cost for P0148 is $22–167. Actual cost depends on your vehicle, location, and labor rates.
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