B2931 Engine Trouble Code
Meaning of B2931 engine trouble code is a kind of body trouble code and B2931 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.
B2931 Fault Symptoms :
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If one of these reasons for B2931 code is occuring now you should check B2931 repair processes.
Now don't ask yourself; What should you do with B2931 code ? The solution is here : |
B2931 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. |
B2931 Code Meaning :
B | 2 | 9 | 3 | 1 |
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OBD-II Diagnostic Body (B) Trouble Code For Engine | Fuel And Air Metering (Injector Circuit Malfunctions Only) | Injector Circuit Malfunction - Cylinders | Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector) | Crankshaft Position Sensor A Circuit Low Input |
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.
B2931 OBD-II Diagnostic Body (B) Trouble Code DescriptionB2931 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.Main reason For B2931 CodeThe reason of B2931 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders. |
Parts or components should not be replaced with reference to only a B2931 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.