P0603 Engine Trouble Code
When you check engine light came on code P0603 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 P0603 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.
P0603 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||O2 Sensor Heater Circuit Malfunction||Cylinder 10 Contribution/balance Fault||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.
P0603 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0603 OBD-II Trouble Code Battery voltage is supplied to the P0603 code.
Reason For P0603 CodeThe reason of P0603 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.
P0603 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.