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bad O2 sensor bad mpg???

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Old Oct 29, 2002 | 09:51 AM
  #1  
integra*RS*'s Avatar
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From: TheCOasT, NJ, USA
Default bad O2 sensor bad mpg???

how important is the O2 sensor??
because i still have the original one from 94
and recently my miles per gallon had dropped drastically
I barely race (street) and mostly drive highway
from n to school
Now i barely get to 300 before i have to fill up again, im closer to 250
one more thing, my check engine goes on sometimes (not all the time)while driving but as soon as you turn off the car and turn it back on it's gone

TIA
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Old Oct 29, 2002 | 09:58 AM
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vtecdc2's Avatar
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From: Bay Area, CA
Default Re: bad O2 sensor bad mpg??? (integra*RS*)

have u done a tune up recently? fuel filter, plugs, plug wires, cap, rotor? that stuff can hurt ur milage also
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Old Oct 29, 2002 | 09:59 AM
  #3  
integra*RS*'s Avatar
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Default Re: bad O2 sensor bad mpg??? (VTECDC2)

Yah i've done all those things
I tune regularly and that's why im wondering....it might be the o2 sensor
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