B2148 Diagnostic Trouble Code

B2148 is a kind of OBD-II Diagnostic B-Body Diagnostic Trouble Code.

It is considered generic because it applies to all makes and models of vehicles, although specific repair steps may be different depending on your car model.

Symptoms

Symptoms of a B2148 diagnostic trouble code may include:

Vacuum leak on the engine
Reduction in engine performance, especially at low RPM levels
Engine surge
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.

Possible Causes :

Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)

Repair Processes :

Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness. You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data.

Process Tips

Diagnostic trouble code B2148 is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before B2148.

Fortunately, B2148 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B2148 Trouble Code For Specific Cars

B2148 Porsche 911 Type 991 FTS High - Fuel Pump Temperature Sensor High
B2148 Audi 50 Already Programmed (Test Mode DTC Only !!!)
B2148 Renault Laguna 2 Gyroscope Error
B2148 Mercedes-benz 130 Air Bag Driver Circuit Short to Ground - Loop #2
B2148 Saturn Sl1 Inductive Signature Chip Communication Error
B2148 Chevrolet Epica Drivers Seat Belt Buckle Switch Circuit Short to Battery
B2148 Mercury Messenger Air Suspension Rear Height Sensor High (SE) Signal Circuit Open