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Originally Posted by gomrac
1993 xr7 cougar, Has a rough idle, I've replaced plugs, cap, rotor, wires, coil and fuel filter. No trouble codes and no signs of vacum leaks. Sometimes when I first start it, runs smooth until a tap the gas and the rpms drop and rough idle, when driving it feels like its missing and low on power. Any ideas?
Thanks
Scott
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mine does the same thing replaced everything like u also intake gaskets & checked timing My intake was full of carbon deposits , im thinking maybe the exhaust is restricted (convertor) checkn tomorrow let ya know if it works. let me know anything as well