P250F Diagnostic Trouble Code

P250F 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 P250F diagnostic trouble code may include:

Misfire
Misfire
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
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
An air leak forward of the DPF will change the sensor readings resulting in the code

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. If the engine displays a miss and there wasn't a code, determine which cylinder is misfiring. If the exhaust manifold is visible, spay or pour a small amount of water on each cylinder exhaust port. Water will evaporate immediately on good cylinders and slowly on the missing cylinder. If this can't be accomplished pull the plugs and check the condition. If the scan tool has that capability, and the scan tool can operate the IMRC valves, then the problem is either resolved and a simple code clearing is all that's left or a new PCM would be called for.

Process Tips

Diagnostic trouble code P250F 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 P250F.

Fortunately, P250F is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P250F Trouble Code For Specific Cars

P250F Saab Aero-x Ignition Tamper Circuit Open
P250F Fafnir 472 Injector Circuit Malfunction - Cylinder 1
P250F Ford Focus 3 Mirror Driver Down Short To Ground
P250F Chrysler Executive Evaporative Check Solenoid Circuit Malfunction
P250F Daewoo Joyster Gate Select Actuator Circuit / Open [left / right motion]
P250F Alvis 12 Air Bag Safing Sensor Output Circuit Failure
P250F Tvr Sagaris Power Door Unlock Circuit Short To Ground