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B3685 Engine Trouble Code

Meaning of B3685 engine trouble code is : When your car's 'B3685 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

B3685 Possible Solution:

B3685 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.

B3685 Code Meaning :

B 3 6 8 5
OBD-II Diagnostic Body (B) Trouble Code For Engine Ignition System Or Misfire Fuel Temperature Sensor B Circuit Range/Performance Ignition/Distributor Engine Speed Input Circuit Malfunction Crankshaft Position Sensor B Circuit Malfunction

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

B3685 OBD-II Diagnostic Body (B) Trouble Code Description

B3685 engine trouble code is about Crankshaft Position Sensor B Circuit Malfunction.

Reason For B3685 Code

The reason of B3685 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

B3685 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.