1987 Mazda RX7 Miss

1987 MAZDA RX7
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ROTORYSICKNESS
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Engine Performance problem
1987 Mazda RX7 Two Wheel Drive Manual 147000 miles

I have an 87 Rx7 gxl non-turbo and it has a miss in the motor that i can't figure out how to fix..... I feel it may be causing bad gas mileage and taking some of my horsepower away. How can i fix it?
Oct 26, 2010 at 11:50 AM
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BLUELIGHTNIN6
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Hello and thanks for donating


There are many things that can cause a misfire in the engine. Has your engine light appeared? If so is there any codes aside from a misfire codes? It could be sensor causing the issue, sticky valve, weak spark plugs, dirty fuel filter and much more. What all have you already checked or replaced?
Oct 26, 2010 at 9:06 PM