B1239 Engine Trouble Code
Meaning of B1239 engine trouble code is a kind of body trouble code and B1239 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,140 and you can't do it yourself unless you're an experienced mechanic.
B1239 Fault Symptoms :
If one of these reasons for B1239 code is occuring now you should check B1239 repair processes.
Now don't ask yourself; What should you do with B1239 code ?
The solution is here :
B1239 Possible Solution:
The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.
B1239 Code Meaning :
|OBD-II Diagnostic Body (B) Trouble Code For Engine||Fuel And Air Metering||Manifold Absolute Pressure/Barometric Pressure Circuit High Input||Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)||Reverse Input Circuit|
The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.
B1239 OBD-II Diagnostic Body (B) Trouble Code DescriptionB1239 engine trouble code is about Reverse Input Circuit.
Main reason For B1239 CodeThe reason of B1239 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.
Parts or components should not be replaced with reference to only a B1239 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.