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P0543 Engine Trouble Code

Meaning of P0543 engine trouble code is a kind of powertrain 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 $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

P0543 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 P0543 code is occuring now you should check P0543 repair processes.
Now don't ask yourself; What should you do with P0543 code ?
The solution is here :

P0543 Possible Solution:

P0543 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.

P0543 Code Meaning :

P 0 5 4 3
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Fuel Composition Sensor Circuit Malfunction Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Exhaust Gas Recirculation Sensor B Circuit High

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.

P0543 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0543 OBD-II Trouble Code The Engine Control Module ( P0543 code.

Main reason For P0543 Code

The reason of P0543 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

Parts or components should not be replaced with reference to only a P0543 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.