P0475 Engine Trouble Code
When you check engine light came on code P0475 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 P0475 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.
P0475 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Fuel Temperature Sensor B Circuit Range/Performance||Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)||Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical|
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.
P0475 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0475 OBD-II Trouble Code Exhaust Back Pressure Regulator - Is a variable position valve that controls exhaust back pressure during cold ambient temperatures to increase cab heat and decrease the amount of time needed to defro P0475 code.
Reason For P0475 CodeThe reason of P0475 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.
Parts or components should not be replaced with reference to only a P0475 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.