P119B Diagnostic Trouble Code

P119B is a kind of OBD-II Diagnostic P-Powertrain 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 P119B diagnostic trouble code may include:

Blown fuse (if applicable)
Engine surge
Reduction in engine performance, especially at low RPM levels
Diminished fuel efficiency

Possible Causes :

The Mass Airflow sensor is a hot wire that senses the volume of air entering the intake manifold. The computer uses this information to control fuel mixture.
Defective ECU strategies or components will prevent proper regeneration
Dirty air cleaner element Damaged DPF

Repair Processes :

Oxygen sensors signal the engine management computer the amount of oxygen present in the exhaust, which is used in determining and controlling the fuel ratio. Look for missing ground strap or a rusty ground where the fuel tank is grounded to the frame. Check for damage to the wiring harness connector. 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 P119B 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 P119B.

Fortunately, P119B is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P119B Trouble Code For Specific Cars

P119B Willys-overland 685 SCP (J1850) Invalid or Missing Data for Powertrain Status Request
P119B Holden Club Pedal Position Sensor A Circuit Intermittent
P119B Mercedes-benz E Class Air Suspension Disable Switch Circuit Failure
P119B Peugeot 605 Electric Air Pump Primary Failure
P119B Vauxhall Zafira A Pressure Transducer Redundant / Secondary Signal Faulted
P119B Oldsmobile Anthem Cylinder 6 Misfire Detected
P119B Acura Mdx ABS Hydraulic Pump Motor Circuit Short To Ground