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v6 gas milage problems

1797 Views 3 Replies 4 Participants Last post by  lynchart
I normaly get between 17-19 miles per gallon (99 3.4L Prerunner) durring day to day driving. suddenly my milage has droped down to between 11-14 miles per gallon. everything is well maintained and air filter is cleaned and proper.... anyone have any thoughts? thanks very much
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dirty MAF? or possibly an inefficient cat? or the dreaded lead foot disease.
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