Question about 2006 Ford Taurus

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I HAVE A 07 TAURUS. 49000. MILES . IT FEELS LIKE A MISS-FIRE AT A STEADY RPM SPEED. WHEN IDLING, YOU CAN SEE THE RPM NEEDLE BOUNCE 600RPMS TO 450RPMS . When the engine drops rpms on idle. you can here a slight thumping noise coming from the air box. so i remove the air box and the thumping noise was coming through the throttle body. I have replace plugs, plug wires, coil, fuel filter, with gas treatment , air filter, and clean the throttle body and mafs and air control valve. with all this done....the car runs like new. BUT the problem remains. their no hissing noise, and all the hosses look fine. I GIVE UP. WHAT IS IT? HELP.

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  • lscccbsb Oct 17, 2010

    Thanks for the info, I'll try the seafoam.

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Hello. You may have one clogged fuel injector. Go to an autoparts store and get a bottle of a fuel additive called seafoam. Pour it into the fuel tank and then drive for 5 miles. This should clear the problem. Joe

4 thumbs up please. Thank you. J.

Posted on Oct 16, 2010

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