B19F1 Diagnostic Trouble Code

B19F1 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 B19F1 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 B19F1 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 B19F1.

Fortunately, B19F1 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B19F1 Trouble Code For Specific Cars

B19F1 Volvo V70 Ii SCP (J1850) Invalid or Missing Data for External Lamp Outage
B19F1 Italdesign Together SCP HBCC Failed To Initialize
B19F1 Toyota 4runner No Communication to VICS Module (No Fitting of VICS)
B19F1 Austin Princess Aux A/C Blower Speed 2 Circuit Failure
B19F1 Reliant Sabre Gate Select Control Error
B19F1 Citroen Eco Fuel level Sensor Circuit High Input
B19F1 Opel Agila B Damper RF Circuit Short to Ground