Volvo running rich

  • VOLVO 850

I have a 97 volvo 850 glt and black smoke is coming from the exhaust, the computer is running rich what is making it do this and what will I have to do to fix it, the computer also shows that the fuel is in "open loop' what does this mean?

Do you
have the same problem?
Tuesday, May 1st, 2007 AT 9:22 AM

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