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Black smoke out the exhaust 

 

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 Post subject: Black smoke out the exhaust
Posted: Thu Oct 14, 2010 6:07 pm 
Smokin em up
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Ride: 1991 Ford Fairmont Ghia

Location: Palmerston North
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Hey guys I'm new here on Ford Mods. The names sefton im from new zealand and i drive a 1991 ford fairmont ghia its a auto by the way with the mpfi and everything, (wish it was manual). Anway is putting a new window reg into my backleft door and my mate fired up the car for me i stepped out and looked at the exhaust. $#@! first time i'v seen any sort of smoke come out the exhaust and iv owned the car a good year and a half and bloody look after it. I understand white smoke is due to water getting in and blue is that its burning oil whats the cause of this black smoke? Its not excessive by the way. Any ideas fellas at ford mods? Bit ov a novice btw

 

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 Post subject: Re: Black smoke out the exhaust
Posted: Thu Oct 14, 2010 6:20 pm 
Getting Side Ways
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Black is normally fuel. They do run a bit rich in general, but more so when cold.
It could also have been moisture mixing with the carbon on the inside of the exhaust piping.

 

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 Post subject: Re: Black smoke out the exhaust
Posted: Thu Oct 14, 2010 7:25 pm 
Getting Side Ways
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also sometime means your fuel system could use a bit of a clean, is running rich to compensate clogged pipping n filter

 

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 Post subject: Re: Black smoke out the exhaust
Posted: Thu Oct 14, 2010 7:41 pm 
Getting Side Ways
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Location: brisbane
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have a look at the o2 sensor, might need replacing

 

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 Post subject: Re: Black smoke out the exhaust
Posted: Fri Oct 15, 2010 6:55 am 
Smokin em up
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Age: 24

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Ride: 1991 Ford Fairmont Ghia

Location: Palmerston North
New Zealand

cheers for the advice guys, how would i tell if the oxygen sensor would need replacing?

 

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 Post subject: Re: Black smoke out the exhaust
Posted: Fri Oct 15, 2010 11:33 am 
Tyre Shredder
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check ur map sensor on the firewall
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