Question about 1992 Ford Crown Victoria

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1998 grown victoria started running rough after gasing up i went from mid grade to regular then the car runs rough and shaky idle will the c/o2 sensor cause this? sure could use some help

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Computers in Cars now a days adjust the air/fuel mixture on their own for different types of gas used. I would put a bottle of dry gas in the tank. Use an isopropyl alcohol base, not methenol. It removes moisture, methenol doesn't. You can put in a fuel system cleaner too at the same time. You might also need to change the fuel filter. If the check engine light isn't on, the O2 sensor is ok. But if you don't get it running right the sensor might carbon up and eventually the cat. converter could load up and plug.

Posted on May 14, 2010

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it's not likely a bad o2 sensor would cause it to run rough, but the catylitic converter, which is what the o2 sensor reads the flow of, would cause the car to idle and run rough.If you take it to an auto parts store to have a diagnostic test ran on it( most major parts stores will do this for free), thecodes it gets would help pin point it alot better.

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