Excessive fuel. Black smoke puffs & and loss of pull down low - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 2 (permalink) Old 03-24-2003, 00:29 Thread Starter
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Excessive fuel. Black smoke puffs & and loss of pull down low

I've had a cam and exhaust upgrade and the AU1 goes great but excessive fuel and a weird stumble or girgle when just turning a corner is really annoying! Its definetly running rich and buying a new O2 sensor and MAP sensor is will cost me over $400 from ford! Fuel pump and regulator seem ok so ........Please anyone, any ideas?

AU XR lookalike wagon
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post #2 of 2 (permalink) Old 03-24-2003, 00:40
Two SC 61's = trouble
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The vacuum connection to fuel presure regualtor o/k? Check for hole or cracks in hose also..Check that throttle position sensor is reading under 1 volt koeo at idle possition. Key on engine off. With Mulimeter..Should rise progresivly to around 5volts...
All electrical connections o/k and earths..

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Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
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