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C1398 Engine Trouble Code

Meaning of C1398 engine trouble code is a kind of chassis trouble code and C1398 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.

C1398 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 C1398 code is occuring now you should check C1398 repair processes.
Now don't ask yourself; What should you do with C1398 code ?
The solution is here :

C1398 Possible Solution:

C1398 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.

C1398 Code Meaning :

C 1 3 9 8
OBD-II Diagnostic Chassis (C) Trouble Code For Engine Fuel And Air Metering Throttle/Pedal Position Sensor/Switch A Circuit Intermittent Crankshaft Position Sensor A Circuit Malfunction Clutch Position Sensor Circuit Malfunction

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.

C1398 OBD-II Diagnostic Chassis (C) Trouble Code Description

C1398 engine trouble code is about Clutch Position Sensor Circuit Malfunction.

Main reason For C1398 Code

The reason of C1398 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 C1398 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.