Code Search

Please fill the "Code Box" to find engine fault code.

Car Models :

Please select your car.

How To Clear Check Engine Lights ?

Ways to clear check engine light on car panel.

Check Engine Light Dictionary

Ways to clear check engine light on car panel.

B0139 Engine Trouble Code

Meaning of B0139 engine trouble code is a kind of body trouble code and B0139 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,200. Taking your car into a shop will cost you around $210 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

B0139 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for B0139 code is occuring now you should check B0139 repair processes.
Now don't ask yourself; What should you do with B0139 code ?
The solution is here :

B0139 Possible Solution:

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

B0139 Code Meaning :

B	0	1	3	9
OBD-II Diagnostic Body (B) Trouble Code For Engine	Intake Valve Control Solenoid Circuit Low	Fuel Rail/System Pressure - Too High	Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)	Reverse Input Circuit

Regarding the B0139 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.

B0139 OBD-II Diagnostic Body (B) Trouble Code Description

B0139 engine trouble code is about Reverse Input Circuit.

Main reason For B0139 Code

The reason of B0139 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

B0139 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.

	Example: 0140