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1985 944 Running Rich?


Vehicle Information: Model(924/944): 944; Year: 1985; Engine (type, size, modifications): 2.5; Total Mileage: 143200;

I noticed for the past several weeks a bit of hesitation prior to engine warm up. The engine will idle fine when started. But will stumble a bit at lower rpms until warm. Also I am noticing a bit of black residue on the back of my white 944. It appears to be exhaust related as if the engine is running too rich. Also I think my mileage is down. A recent compression test showed 170-165-165-170. A recent DE put quite a bit of "soot" on the back of the car.

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