black smoke from starting from hot
29 August 2001, 08:07 PM
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when i start the car from hot it gives out a big cloud of black smoke wich i think is fuel ,it clears after a few seconds, im not useing any oil at alldoes anyone know what this is as it doesnt happen from cold .
cheers (93 wrx)
cheers (93 wrx)
29 August 2001, 08:31 PM
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Mark,
Black smoke is definitely excess hydro carbons which is a result of unburnt fuel. Most likely cause is excess fuel but could also be weak ignition. I would get it seen to asap as it will damage the cat pretty quickly.
Regards
Guy
Black smoke is definitely excess hydro carbons which is a result of unburnt fuel. Most likely cause is excess fuel but could also be weak ignition. I would get it seen to asap as it will damage the cat pretty quickly.
Regards
Guy
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