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Originally Posted by stinger415
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When I returned it, he said it now needed a catalytic converter, Ox sensor, fuel pressure regulator, and fuel distributor. And he wanted about $4,000 to do the work.
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Phil
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If you replace all that it probably will cure it... whatever it is but I doubt it's all necessary
1) When you say low vacuum... what does your economy gage do under what circumstances (at idle and under throtle)?
2) You can find out a lot with a multi meter with duty cycle setting at the X11 diagnostic port... (about$30.00) Do you have one? If so look at this link:
http://www.landiss.com/mixture.htm
The oxygen sensor is a likley candidate for high fuel consumption. There is some about that at this thread:
http://www.peachparts.com/shopforum/showthread.php?t=119884&highlight=sensor and others you can find by searching this site.