B3179 Diagnostic Trouble Code

B3179 is a kind of OBD-II Diagnostic B-Body 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 B3179 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.
Reduction in engine performance, especially at low RPM levels

Possible Causes :

Dirty air cleaner element Damaged DPF
A plugged converter will cause of host of driveability problems as well as set this code. A severely plugged converter will result in the inability to increase rpm when under load. Look for a code such as P0421 -- catalytic converter efficiency below threshold if the converter indicating a faulty converter.
An air leak forward of the DPF will change the sensor readings resulting in the code

Repair Processes :

If all testing has passed so far yet you still have the same code, check your scan tool and see if it can open and close the IMRC valve. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code B3179 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 B3179.

Fortunately, B3179 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B3179 Trouble Code For Specific Cars

B3179 Honda Argento Pressure Control Solenoid C Control Circuit Low
B3179 Glas 1500 Overdrive switch circuit short to Vbatt
B3179 Standard Vanguard Lamp Keypad Output Short Circuit To Battery
B3179 Toyota Previa Park / Neutral Switch Input Circuit Low
B3179 Elva Gt Injection Pump Fuel Metering Control "A" Low (Cam/Rotor/Injector)
B3179 Mercedes A 180 ABS Function Enabled Input Circuit Failure
B3179 Mercedes-benz 130 Air Bag Driver Circuit Short to Ground - Loop #2