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What causes gas to get in to oil?

(1997 Ford Aspire)
in Salem, OR on July 16, 2011
engine knocking heard, checked oil level and it was too hi and smelled like gas, and gas mileage was cut in half with in one week
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Popular Answer
Very important to get this attended to immediately. A fuel injector or fuel pressure regulator may have failed or possibly a coolant temperature is reporting the engine is stone cold and requires more fuel. If so the computer in your car is going to have relevant information stored in its memory which will help figure out what is going on. Is the Check Engine Light on? A scan tool is needed to retrieve this information. A professional grade scan tool allows key engine sensor data to be analyzed right off the scan tool without having to do intrusive testing at each sensor.
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