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Big reduction in gas mileage.....

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Old 03-22-2013, 04:37 PM   #1
Rumsoaker [OP] Rumsoaker is offline
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Big reduction in gas mileage.....

....my '03 Tacoma (v6, extended cab, auto, 4X4) has recently been getting MUCH worse than normal gas mileage. While I have yet to "measure" the exact drop in mileage, I have noticed that on two highway trips that normally take me just over 1/4 tank are now taking me a solid 1/2 tank to complete.
I am a lead foot and have some oversized off road tires (32" Cooper STT's) hitting the pavement. They are inflated properly and checked before each trip.
Truck has 108k on the odometer and no known mechanical issues.

Any ideas on the sudden drop in mileage?

The mileage drop has just recently occurred in the last 3 months or so. I take these trips every few weeks or so and always have since I bought the truck new in 2003. The mileage has never been this bad.

Any ideas??

Thanks,
Rumsoaker
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Old 03-22-2013, 04:44 PM   #2
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SoCaltaco65 is one of the sharper tools in the shedSoCaltaco65 is one of the sharper tools in the shedSoCaltaco65 is one of the sharper tools in the shedSoCaltaco65 is one of the sharper tools in the shedSoCaltaco65 is one of the sharper tools in the shedSoCaltaco65 is one of the sharper tools in the shedSoCaltaco65 is one of the sharper tools in the shedSoCaltaco65 is one of the sharper tools in the shedSoCaltaco65 is one of the sharper tools in the shedSoCaltaco65 is one of the sharper tools in the shedSoCaltaco65 is one of the sharper tools in the shed
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Welcome to TW, when was the last time you had a tune up? ( new plugs)
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Old 03-22-2013, 04:48 PM   #3
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Millertime187 is one of the sharper tools in the shedMillertime187 is one of the sharper tools in the shedMillertime187 is one of the sharper tools in the shedMillertime187 is one of the sharper tools in the shedMillertime187 is one of the sharper tools in the shedMillertime187 is one of the sharper tools in the shedMillertime187 is one of the sharper tools in the shedMillertime187 is one of the sharper tools in the shedMillertime187 is one of the sharper tools in the shedMillertime187 is one of the sharper tools in the shedMillertime187 is one of the sharper tools in the shed
 
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Quote:
Originally Posted by SoCaltaco65 View Post
Welcome to TW, when was the last time you had a tune up? ( new plugs)
That's where I'd start!
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Old 03-22-2013, 04:52 PM   #4
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VirginiaBound is one of the sharper tools in the shedVirginiaBound is one of the sharper tools in the shedVirginiaBound is one of the sharper tools in the shedVirginiaBound is one of the sharper tools in the shedVirginiaBound is one of the sharper tools in the shedVirginiaBound is one of the sharper tools in the shedVirginiaBound is one of the sharper tools in the shedVirginiaBound is one of the sharper tools in the shedVirginiaBound is one of the sharper tools in the shedVirginiaBound is one of the sharper tools in the shedVirginiaBound is one of the sharper tools in the shed
 
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What kind of mileage are you getting?
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Old 03-22-2013, 08:18 PM   #5
Titles? We don't need no stinkin' titles.
bubba353z is one of the sharper tools in the shedbubba353z is one of the sharper tools in the shedbubba353z is one of the sharper tools in the shedbubba353z is one of the sharper tools in the shedbubba353z is one of the sharper tools in the shedbubba353z is one of the sharper tools in the shedbubba353z is one of the sharper tools in the shedbubba353z is one of the sharper tools in the shedbubba353z is one of the sharper tools in the shedbubba353z is one of the sharper tools in the shedbubba353z is one of the sharper tools in the shed
 
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Winter gas?
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Old 03-22-2013, 09:05 PM   #6
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worthywads is one of the sharper tools in the shedworthywads is one of the sharper tools in the shedworthywads is one of the sharper tools in the shedworthywads is one of the sharper tools in the shedworthywads is one of the sharper tools in the shedworthywads is one of the sharper tools in the shedworthywads is one of the sharper tools in the shedworthywads is one of the sharper tools in the shedworthywads is one of the sharper tools in the shedworthywads is one of the sharper tools in the shedworthywads is one of the sharper tools in the shed
 
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o2 sensor?
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Old 03-23-2013, 11:49 PM   #7
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davidjmay is one of the sharper tools in the sheddavidjmay is one of the sharper tools in the sheddavidjmay is one of the sharper tools in the sheddavidjmay is one of the sharper tools in the sheddavidjmay is one of the sharper tools in the sheddavidjmay is one of the sharper tools in the sheddavidjmay is one of the sharper tools in the sheddavidjmay is one of the sharper tools in the sheddavidjmay is one of the sharper tools in the sheddavidjmay is one of the sharper tools in the sheddavidjmay is one of the sharper tools in the shed
 
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Winter gas-- im hoping. Mine has been doing the same thing
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