Question about 1997 Toyota Tercel

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My fuel mileage dropped literally overnight. I was getting 40 now its 30. I recently changed my spark plugs btw so I know its not that.

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Did you use the recommended manufacturers spark plugs for your car? are they gapped as per the manufacturer...did you break a plug wire inadvertently while removing the plugs or crack a spark plug insulator(the white porcelain part of the plug)? did you knock a vacumn line(hose) off the engine when working on the plugs?

Posted on May 06, 2010

Testimonial: "Thanks. I probably should change the wires too. "

  • JOHN DAVIDSON May 07, 2010

    I hope what i wrote to be a bit helpful....while it is hard enough fixing vehicles in person(hands on) I suppose you can just imagine what a handicap it is to find a cure over the wires.

    Have fun and safe driving!! John

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