B3100 Diagnostic Trouble Code

B3100 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 B3100 diagnostic trouble code may include:

Hesitation upon acceleration
Excessive exhaust leak
Rich or lean exhaust
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.

Possible Causes :

Rough running engine due to misfiring plugs. Many engines have misfire codes to indicate the cylinder effected, such as P0307 for number 7.
Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)
Some aftermarket accessories and performance modifications

Repair Processes :

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. You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data.

Process Tips

Diagnostic trouble code B3100 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 B3100.

Fortunately, B3100 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B3100 Trouble Code For Specific Cars

B3100 Nardi 750 Can Link ECM/INSTM Circuit / Network Malfunction
B3100 Chevrolet Master EGI Functionality Test Failed
B3100 Auto-union Dkw Aux Heater Fuel Pump Circuit Short to Ground
B3100 Mercedes-benz G Class Air Suspension Disable Switch Circuit Short To Battery
B3100 Renault Fuego Glow Plug Circuit High Input (Bank #2)
B3100 Mazda Verisa A/C Evaporator Air Temperature Circuit Range/Performance
B3100 Glas 1500 Overdrive switch circuit short to Vbatt