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P138A Engine Trouble Code

Meaning of P138A engine trouble code is a kind of powertrain trouble code and P138A 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 $2,140 and you can't do it yourself unless you're an experienced mechanic.

P138A 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 P138A code is occuring now you should check P138A repair processes.
Now don't ask yourself; What should you do with P138A code ?
The solution is here :

P138A Possible Solution:

P138A 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.

P138A Code Meaning :

P 1 3 8 a
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Throttle/Pedal Position Sensor/Switch A Circuit Intermittent Ignition/Distributor Engine Speed Input 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.

P138A OBD-II Diagnostic Powertrain (P) Trouble Code Description

P138A engine trouble code is about .

Main reason For P138A Code

The reason of P138A 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 P138A DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.