B3166 Diagnostic Trouble Code

B3166 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 B3166 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 B3166 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 B3166.

Fortunately, B3166 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B3166 Trouble Code For Specific Cars

B3166 Plymouth Pronto Evaporative Emission Control System Vent Control Circuit Shorted
B3166 Cadillac Model B Dim Panel Decrease Input Circuit Failure
B3166 Reliant Se6 Gate Select Position Circuit High
B3166 Chevrolet S-10 EIC Switch-2 Assembly Circuit Failure
B3166 Dodge Monaco Ignition Retard Request Duration Fault
B3166 Tvr 1800 PNP Switch Out Of Self Test Range
B3166 Mercedes Clk ABS Outlet Valve Coil LF Circuit Short To Battery