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P0303 Engine Trouble Code

Meaning of P0303 engine trouble code is a kind of powertrain trouble code and when the check engine light comes P0303 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

P0303 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for P0303 code is occuring now you should check P0303 repair processes.
Now don't ask yourself; What should you do with P0303 code ?
The solution is here :

P0303 Possible Solution:

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

P0303 Code Meaning :

P	0	3	0	3
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine	Intake Valve Control Solenoid Circuit Low	Throttle/Pedal Position Sensor/Switch A Circuit Intermittent	Cold Start Injector 1 Malfunction	Exhaust Gas Recirculation Sensor B Circuit High

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

P0303 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0303 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.

Main reason For P0303 Code

The reason of P0303 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.

Parts or components should not be replaced with reference to only a P0303 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

	Example: 0140