B10B8 Diagnostic Trouble Code

B10B8 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 B10B8 diagnostic trouble code may include:

Poor fuel economy
Possible spark knock (detonation / pre-ignition)
Misfire
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.

Possible Causes :

Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. 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. 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.

Process Tips

Diagnostic trouble code B10B8 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 B10B8.

Fortunately, B10B8 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B10B8 Trouble Code For Specific Cars

B10B8 Alfa Romeo 4c Accelerometer Front Circuit Failure
B10B8 Dodge Srt-4 Ignition Start Circuit Open
B10B8 Renault Rs Heater Coolant Temp sensor circuit Short to GND
B10B8 Jeep Dakar Seat Driver Rear Up Switch Circuit Open
B10B8 Ram 2500 Fuel Temperature Sensor B Circuit High Input
B10B8 Turcat-mery 14 Pedal Forward / Rearward Potentiometer Feedback Circuit Short to Battery
B10B8 Mazda Cx-5 Transmission Transfer Case Front Shaft Speed Sensor Circuit Failure