Possible causes

– Severely restricted fuel filter.
– Severely restricted fuel supply line.

When is the code detected?

The powertrain control module has recognized one bank of the engine is running lean during a heavy acceleration.

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0148 Description

The fuel delivery to the engine is too low under high acceleration.

P0148 Information for specific makes

P0148 FORD
P0148 DODGE