P0643 Engine Trouble Code
When you check engine light came on code P0643 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P0643 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
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.
P0643 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||O2 Sensor Heater Circuit Malfunction||Engine Shutoff Solenoid Malfunction||Shift Solenoid E Performance or Stuck Off|
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.
P0643 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0643 engine trouble code is about Shift Solenoid E Performance or Stuck Off.
Reason For P0643 CodeThe reason of P0643 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.
Parts or components should not be replaced with reference to only a P0643 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.