P0004 Engine Trouble Code
When you check engine light came on code P0004 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 P0004 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.
P0004 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||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.
P0004 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0004 OBD-II Trouble Code Fuel Volume Regulator Control Circuit High is the generic definition for the P0004; however your vehicles manufacturer may have a different definition for the P0004 code. P0004 code.
Reason For P0004 CodeThe reason of P0004 OBD-II Engine Trouble Code is .
P0004 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.