P06BA Diagnostic Trouble Code

P06BA is a kind of OBD-II Diagnostic P-Powertrain 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 P06BA diagnostic trouble code may include:

Fuel pressure too low
Rich or lean exhaust
Diminished fuel efficiency
Malfunction Indicator Lamp (MIL) illuminated

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.
Faulty IMRC actuator/sensor

Repair Processes :

Now, clear the codes and test-drive the vehicle to see if the code is reset. 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. Oxygen sensors signal the engine management computer the amount of oxygen present in the exhaust, which is used in determining and controlling the fuel ratio.

Process Tips

Diagnostic trouble code P06BA 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 P06BA.

Fortunately, P06BA is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P06BA Trouble Code For Specific Cars

P06BA Acura Mdx Ii ABS Hydraulic Valve Circuit Failure
P06BA Saleen S Ignition/Distributor Engine Speed Input Circuit No Signal
P06BA Subaru Forester 1 Left Front Vertical Accelerometer Circuit Failure
P06BA Nissan 260 Chime Input Request Circuit Short To Battery
P06BA Aero Type 50 ABS Outlet Valve Coil LR Circuit Open
P06BA Fiat Croma Lamp Keypad Output Open Circuit
P06BA Subaru Impreza 3 Left Rear Sensor Circuit Failure