P17B3 Diagnostic Trouble Code

P17B3 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 P17B3 diagnostic trouble code may include:

If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
Corroded or damaged connector
Reduction in engine performance, especially at low RPM levels
Rich or lean exhaust

Possible Causes :

The Mass Airflow sensor will also cause this problem. Mass Airflow circuit malfunction.
Fuel with a large percentage of sulfur will clog the DPF quickly
Some aftermarket accessories and performance modifications

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. Look at the plug wires to make sure they are not burnt or laying on the exhaust. 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 P17B3 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 P17B3.

Fortunately, P17B3 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P17B3 Trouble Code For Specific Cars

P17B3 Isuzu Impulse
P17B3 Kissel 6 Servo Motor Potentiometer Airintake Left Circuit Short To Ground
P17B3 Subaru 360 Leakage Fault
P17B3 Skoda 1000 Invalid Test,throttle not depressed
P17B3 Bizzarrini Manta Brake Switch Out Of Self Test Range
P17B3 Buick Blackhawk Cylinder 5 Misfire Detected
P17B3 Triumph Tr Pedal Correlation PDS2 and HPDS