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P0066 Engine Trouble Code

Meaning of P0066 engine trouble code is : When the check engine light comes P0066 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.

P0066 Possible Solution:

P0066 Engine

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.

P0066 Code Meaning :

P 0 0 6 6
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Ambient Air Temperature Sensor Circuit Low Cylinder 4 Contribution/Balance Fault Ignition Coil A Primary/Secondary Circuit Malfunction

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.

P0066 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0066 OBD-II Trouble Code Air Assisted Injector Control Circuit or Circuit Low is the generic definition for the P0066; however your vehicles manufacturer may have a different definition and information for the P0066 code. P0066 code.

Reason For P0066 Code

The reason of P0066 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

Parts or components should not be replaced with reference to only a P0066 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.