B2A23 Diagnostic Trouble Code

B2A23 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 B2A23 diagnostic trouble code may include:

Vacuum leak on the engine
Reduction in engine performance, especially at low RPM levels
Engine surge
Diminished fuel efficiency

Possible Causes :

Faulty IMRC actuator/sensor
A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.
Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)

Repair Processes :

If you find a related TSB, the information will often help in diagnosing the code in question as TSBs are crested from many thousands of repairs. Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness.

Process Tips

Diagnostic trouble code B2A23 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 B2A23.

Fortunately, B2A23 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B2A23 Trouble Code For Specific Cars

B2A23 Dacia Logan Fuel Temperature Sensor A Circuit low Input
B2A23 Marcos 1800 Transfer Case Contact Plate "A" Encoder Circuit Failure
B2A23 Volkswagen Iltis Right Front Center Sensor Circuit Fault
B2A23 Alvis Tb21 Air Suspension Compressor Relay Circuit Open
B2A23 Cooper Jaguar Fuel Sender Circuit Failure
B2A23 Bmw M6 Clutch Pedal Switch B Circuit
B2A23 Fiat 124 Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)