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Mercedes C 220 B1321 Engine Trouble Code

When the check engine light comes Mercedes C 220 B1321 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

Mercedes C 220 B1321 Code Meaning :

B 1 3 2 1
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering Throttle/Pedal Position Sensor/Switch A Circuit Intermittent Turbocharger Boost Sensor A Circuit Low Crankshaft Position Sensor A Circuit Low Input
Mercedes C 220 Engine

When you check Mercedes C 220 car engine light came on code B1321 the reason should be . However manufacturer may have a different definition for the B1321 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B1321 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 B1321 code is occuring now you should check B1321 repair processes.
Now don't ask yourself; What should you do with B1321 code ?
The solution is here :

Mercedes C 220 B1321 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.

B1321 OBD-II Diagnostic Body (B) Trouble Code Description

B1321 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.

Reason For B1321 Code

The reason of B1321 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.

Parts or components should not be replaced with reference to only a B1321 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.