1998 explorer v6 sohc declining mpg. | Ford Explorer Forums

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1998 explorer v6 sohc declining mpg.

harryo78

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February 20, 2013
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Year, Model & Trim Level
1998 rereddie bauer explo
1998 explorer v6 sohc, 200000 miles on original engine, just passed smog no problem. 2 days ago the computer mpg was 19.6-19 mpg. now it is at 14 mpg and at an intersection when idle the mpg decreases. I read a vacuum leak might be a problem, could not visibly see one. Replaced gas cap, same outcome. Any help would be greatly appreciated!

2-23-2103: It appears to be running rich, smell fuel @ tailpipe.
 












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