P2792 Diagnostic Trouble Code

P2792 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 P2792 diagnostic trouble code may include:

Faulty PCM
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
Poor acceleration
The engine oil will exhibit dilution from the ECUs attempts to increase engine temperature. Some vehicles advance the fuel injection timing slightly after top center to afterburn a small amount of fuel to increase exhaust temperatures. Some of this fuel enters the crankcase. When the ECU determines the necessity to regenerate the DPF, the service life of the oil be shortened significantly

Possible Causes :

A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.
Faulty IMRC actuator/sensor
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.

Repair Processes :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code P2792 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 P2792.

Fortunately, P2792 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P2792 Trouble Code For Specific Cars

P2792 Nsu Sport Cylinder 12 Injector Circuit High
P2792 Mazda Tribute A/C Evaporator Air Temperature Circuit Low
P2792 Chevrolet Suburban Electronic Feedback Signal Not Detected
P2792 Armstrong Siddeley 25 Air Suspension LR Vent Request Exceeded Max Timing
P2792 Tz Sider Power Supply Sensor Circuit Failure
P2792 Amc Jeep Air Suspension Front Pneumatic Failure
P2792 Suzuki Aerio Memory #1 output Short to VBatt