P0504 Engine Trouble Code
When you check engine light came on code P0504 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 P0504 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.
P0504 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Fuel Composition Sensor Circuit Malfunction||Cylinder 10 Contribution/balance Fault||Clutch Position Sensor Circuit Malfunction|
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.
P0504 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0504 OBD-II Trouble Code The Engine Control Module ( P0504 code.
Reason For P0504 CodeThe reason of P0504 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.
P0504 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.