Re: Running rich/excess fuel consumption - Saab 9000 Bulletin Board - Saabnet.com
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Re: Running rich/excess fuel consumption
Posted by Bill Davies [Email] (more from Bill Davies) on Mon, 26 Sep 2005 05:44:21
In Reply to: Running rich/excess fuel consumption, Stephen Brown, Sat, 24 Sep 2005 14:12:57
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What about the 02 sensor? Also, the inlet air temperature sensor (screwed into the side of the induction tract before the throttle body) can cause mixture problems if it's faulty or dirty, though when this happened to me I ran lean, not rich.
Have you looked at the colour of your plugs to see if you really are running rich?
Another possible cause is the fuel pressure regulator, of course.
Clearly this is something you need to fix - apart from anything your cat is at risk if you run rich long-term.
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