P2427 Diagnostic Trouble Code

P2427 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 P2427 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 :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. Use the DVOM to test resistance and continuity on all system circuits if actuator and sensor resistance levels are in compliance with manufacturer's specifications.

Process Tips

Diagnostic trouble code P2427 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 P2427.

Fortunately, P2427 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P2427 Trouble Code For Specific Cars

P2427 Arrol-johnston 15.9 Air Suspension Rear Inflator Solenoid Output Circuit Short To Battery
P2427 Singer Sm Invalid /fault data received (Non SCP)
P2427 Daewoo Rezzo
P2427 Mercedes Cl 63 ABS Inlet Valve Coil RF Circuit Short To Ground
P2427 Mitsubishi Proudia Aux Heater Coolant Sensor Circuit Short to Ground
P2427 Bmw 420 Child Seat Detection Circuit Short to Ground
P2427 Duesenberg A Illuminated Entry Relay Short To Battery