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.

B1631 Engine Trouble Code

Meaning of B1631 engine trouble code is a kind of body trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

B1631 Fault Symptoms :

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

If one of these reasons for B1631 code is occuring now you should check B1631 repair processes.
Now don't ask yourself; What should you do with B1631 code ?
The solution is here :

B1631 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.

B1631 Code Meaning :

B	1	6	3	1
OBD-II Diagnostic Body (B) Trouble Code For Engine	Fuel And Air Metering	Fuel Temperature Sensor B Circuit Range/Performance	Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)	Crankshaft Position Sensor A Circuit Low Input

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

B1631 OBD-II Diagnostic Body (B) Trouble Code Description

B1631 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.

Main reason For B1631 Code

The reason of B1631 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

B1631 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.

	Example: 0140