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exhaust soot
I have a 92 400E that has soot coming from exhaust pipe. replaced mass air flow, throttle body, plugs, wires, caps and rotors and fuel filter. still have problem with soot. does anyone have a clue for cure..
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Black soot = running rich, gas not burning completely, bad O2 sensors, etc...
When was the last time the O2 sensors were changed? Have you looked for codes?
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1999 Porsche 996 Carrera Convertible 1994 420E - SOLD 1986 300E - SOLD, what a car 609 Certified |
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