P0303 Engine Trouble Code
When you check engine light came on code P0303 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 P0303 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P0303 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.
P0303 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Fuel Rail Pressure Sensor Circuit Malfunction||Cylinder 10 Contribution/balance Fault||Shift Solenoid E Performance or Stuck Off|
Regarding the P0303 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.
P0303 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0303 OBD-II Trouble Code When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module ( P0303 code.
Reason For P0303 CodeThe reason of P0303 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.
P0303 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.