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B3401 Engine Trouble Code

Meaning of B3401 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.

B3401 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 B3401 code is occuring now you should check B3401 repair processes.
Now don't ask yourself; What should you do with B3401 code ?
The solution is here :

B3401 Possible Solution:

B3401 Engine

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

B3401 Code Meaning :

B 3 4 0 1
OBD-II Diagnostic Body (B) Trouble Code For Engine Ignition System Or Misfire O2 Sensor Heater Circuit Malfunction Cold Start Injector 1 Malfunction 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.

B3401 OBD-II Diagnostic Body (B) Trouble Code Description

B3401 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.

Main reason For B3401 Code

The reason of B3401 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

B3401 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.