2000 Mercury Villager Fuel Efficiency

Tiny
TKDFX
  • MEMBER
  • 2000 MERCURY VILLAGER
After the necessary tune-up, such as fuel filter, air filter, PCV Valve, Spark Plugs, I'm still getting low mileage on gas. I changed the gas from 87 regular to 93 premium. But it won't do anything. Is there anything else I should consider. The Van runs fine, with quite engine and no noise.
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Friday, August 25th, 2006 AT 4:10 PM

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Tiny
MERLIN2021
  • EXPERT
Yep oxy sensor have THE major role here. How many miles on the vehicle? Oh and unless your owners manual tells you to use hightest it will only confuse the PCM!
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Thursday, March 8th, 2007 AT 3:25 PM

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