P22B2 Diagnostic Trouble Code

P22B2 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 P22B2 diagnostic trouble code may include:

Blown fuse (if applicable)
Engine surge
Reduction in engine performance, especially at low RPM levels
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected

Possible Causes :

A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Faulty IMRC actuator relay (if equipped)
Dirty air cleaner element Damaged DPF

Repair Processes :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground.

Process Tips

Diagnostic trouble code P22B2 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 P22B2.

Fortunately, P22B2 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P22B2 Trouble Code For Specific Cars

P22B2 Nissan Langley Cold Start Injector 2 Malfunction
P22B2 Ac 427 A/C Temperature Sensor Out of Range
P22B2 Ford Pinto Mirror Passenger Drive Circuit Failure
P22B2 Singer 2-litre Internal Control Module ROM Error (Module Identification Defined by SAE J1979)
P22B2 Abarth A112 A Camshaft Position Actuator Circuit (Bank1)
P22B2 Alfa Romeo 1600 ABS Power Relay Coil Circuit Failure
P22B2 Lotus Extreme Traction Control Motor Potentiometer Circuit Open