C1792 Diagnostic Trouble Code

C1792 is a kind of OBD-II Diagnostic C-Chassis 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 C1792 diagnostic trouble code may include:

Engine surge
Blown fuse (if applicable)
Lack of power
Rich or lean exhaust

Possible Causes :

Faulty IMRC actuator relay (if equipped)
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)

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 C1792 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 C1792.

Fortunately, C1792 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C1792 Trouble Code For Specific Cars

C1792 Mazda Mx-5
C1792 Nissan X-trail Cylinder #8 High To Low Side Open
C1792 Reliant Se7 Gate Select Position Circuit Intermittent
C1792 Ford Granada Mirror Driver Left Circuit Open
C1792 Porsche Rsk Fuel Pump Speed Primary Circuit Malfunction
C1792 Mercury Ln7 Air Suspension LR Height Sensor Circuit Failure
C1792 Tatra T107 Mirror Switch Assembly Circuit Failure