Check P2685 Engine Code
When you check engine light came on code P2685 the reason should be . However your vehicle's manufacturer may have a different definition for the P2685 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P2685 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 $2,000 and you can't do it yourself unless you're an experienced mechanic.
P2685 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.
P2685 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Fuel And Air Metering (Injector Circuit Malfunctions Only)||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.
P2685 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP2685 engine trouble code is about Crankshaft Position Sensor B Circuit Malfunction.
Reason For P2685 CodeThe reason of P2685 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.
P2685 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.