jadehardbody

Hey ladies and gents, got a question. Gas mileage had been slowly declining and I knew O2 needed replacing on my 94 hb 2wd. I replaced it and the truck runs much better, really gets up and goes now more so than before. My question is did I do something wrong, am I missing another component that may be altering gas mileage? Any help is greatly appreciated. Have a good one all.
-Aaron

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Just a common sense lesson learned; 2wd in snow=fun, 2wd on ice=bad idea. Consider self one lucky mother_____.

boogyman

Maybe your right foot got heavier and is using more open throttle. That will decrease the mileage. Plus if you are letting it warm up more with the weather, that will suck up some fuel. There are a lot of different factors.

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'05 Pathfinder LE
'09 Toyota Sienna XLE Wife had to have it.

88pathoffroad

Reset the ECU and let it re-learn the way you drive. Disconnect the battery for 5 minutes, make sure nothing electrical still works, then reconnect it.

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Owner of NPORA, mod for Nissan-Infiniti Forums, NissanForums.com, NissanHelp.com, AllNissans.com and VGPowered Forums
'88 Pathfinder: 6" of lift, 33x13.50 Swamper LTB's, Rancho 9000's, L&P Stage 3 steering system, K&N, Pacesetter headers and 2.5" exhaust, Lock-Right locker, 110A alty and electric fan swap, dual batteries, 700W+ worth of PIAAs, etc.

aaronford

I am on board with the gas pedal idea. My truck would do much better if I kept my foot out of it. BTW, do they use oxygenated fuel in the eastern US? That could cause it...

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Aaron Ford
95 2WD Nissan PU E
2002 Oldsmobile Intrigue GX
"The hard part about playing chicken is knowing when to flinch" Scott Glenn in The Hunt for Red October

boogyman

Yes they definitely use the extra O2 in the gas. It brings down the mileage a little, but not to much.

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'05 Pathfinder LE
'09 Toyota Sienna XLE Wife had to have it.