MY 1991 NISSAN PATHFINDER HAS BEEN HAVING ...

  • Tiny
  • Anonymous
  • 1991 Nissan Pathfinder

My 1991 Nissan Pathfinder has been having problems. When its running, the exhaust smells strong and rich, black smoke sometimes is expelled from the muffler, but not always. It also sputters and burns a ton of gas. The brain box, air filter, fuel filter, water pump, and battery have been replaced. The fuel system has also been flushed. Other than a tune up, what can I do to fix this problem? Is there some kind of sensor that may be causing this? Any information would greatly be appreciated.

Saturday, December 29th, 2012 AT 12:22 AM

1 Reply

  • Tiny
  • DrCranknWrench
  • Expert
  • 3,458 posts

I am going to give you a walk through diagnostic for your situation. just use the link below to get to it;

http://www.2carpros.com/articles/engine-black-smoke

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Saturday, December 29th, 2012 AT 1:34 AM

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