Fault codes › P0148

P0148

Fuel Delivery Error

Generic code Fuel and Air Metering Medium severity Moderate repair
Free on OBD DashX

Want real-world data on P0148?

See which problems come with P0148, how often it shows up in other vehicles, and how to fix it — step by step.

  • Real-world fix data
  • How often it happens
  • Step-by-step repairs
See P0148 on OBD DashX No sign-up needed · available in 10 languages

iWhat P0148 means

  • The fault code P0148 indicates a problem with fuel delivery within the vehicle. This may result in the engine running poorly or not starting at all.

!Possible symptoms

  • Engine misfires or doesn't start
  • Decreased engine performance or power
  • Poor fuel efficiency
  • Check Engine Light (CEL) illuminated

?Possible causes

  • Clogged fuel supply line or filter
  • Malfunctioning fuel pressure regulator
  • Faulty fuel pressure sensor
  • Faulty fuel pump
  • Wiring issues in the fuel delivery system wiring and/or connectors
  • Fuel tank empty or low fuel level
  • Failed engine control module (ECM)

⚙Related parts

  • Fuel Supply Line: Fuel line delivers petrol/diesel from the fuel tank to the engine. Problems in the fuel line lead to fuel loss while driving

✓Possible solutions

  • Inspect and clean or replace the fuel supply line or filter, if restricted
  • Test and replace the faulty fuel pressure regulator, if necessary
  • Test and replace the faulty fuel pump, if necessary
  • Check and repair any wiring issues in the fuel delivery system
  • Refill the fuel tank if it is empty or low on fuel
  • Test and replace the engine control module (ECM) if it is determined to be faulty
Free on OBD DashX

P0148 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

Open P0148 No sign-up needed · available in 10 languages

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.