P0148

Fuel Delivery Error

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–167 (est.)

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

P0171 P0172 P0190