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Toyota Avalon P0393 Engine Trouble Code

Toyota Avalon P0393 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.

Toyota Avalon P0393 Code Meaning :

P 0 3 9 3
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Throttle/Pedal Position Sensor/Switch A Circuit Intermittent Crankshaft Position Sensor A Circuit Malfunction Exhaust Gas Recirculation Sensor B Circuit High
Toyota Avalon Engine

When you check Toyota Avalon car engine light came on code P0393 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P0393 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0393 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 P0393 code is occuring now you should check P0393 repair processes.
Now don't ask yourself; What should you do with P0393 code ?
The solution is here :

Toyota Avalon P0393 Possible Solution :

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.

P0393 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0393 OBD-II Trouble Code The Camshaft Position Sensor is an electronic device used in an engine to record the rate at which the camshaft is spinning. This information is used by the Engine Control Module ( P0393 code.

Reason For P0393 Code

The reason of P0393 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 P0393 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.