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B2139 Engine Trouble Code

Meaning of B2139 engine trouble code is a kind of body trouble code and B2139 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.

B2139 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for B2139 code is occuring now you should check B2139 repair processes.
Now don't ask yourself; What should you do with B2139 code ?
The solution is here :

B2139 Possible Solution:

B2139 Engine

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.

B2139 Code Meaning :

B 2 1 3 9
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Fuel Rail/System Pressure - Too High 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.

B2139 OBD-II Diagnostic Body (B) Trouble Code Description

B2139 engine trouble code is about Reverse Input Circuit.

Main reason For B2139 Code

The reason of B2139 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

Parts or components should not be replaced with reference to only a B2139 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.