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P1443 Engine Trouble Code

Meaning of P1443 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 $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

P1443 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 P1443 code is occuring now you should check P1443 repair processes.
Now don't ask yourself; What should you do with P1443 code ?
The solution is here :

P1443 Possible Solution:

P1443 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.

P1443 Code Meaning :

P 1 4 4 3
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering O2 Sensor Heater 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.

P1443 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1443 OBD-II Trouble Code Evaporative Emission Control System Control Valve is one of the definitions for the P1443; however your vehicles manufacturer may have a different definition for the P1443 code. Please check below for P1443 code.

Main reason For P1443 Code

The reason of P1443 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

Parts or components should not be replaced with reference to only a P1443 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.