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Mileage Suffering

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Old Jun 27, 2006 | 10:40 PM
  #1  
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Double Ducky
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Mileage Suffering

In the past 4-5 days, my 2000 Ranger XLT, 3.0L, std 5-sp tranny, 119K miles, started a noticeable engine knock under load. I'm current with all recommended maintenance. I filled up with 87 octane yesterday (same Exxon station for most of this truck's life), and today, the fuel gauge is showing a half and 3/4 after going just 28 miles. I'm connecting the knock with this, and I suspect water in the gas. Anyone got an idea?

Thanks,

John (aka parabians)
 
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Old Jun 28, 2006 | 08:02 AM
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The first thing I would suspect is bad gas. Put a can of octane booster in it, and fill up at a different station for a while.
 
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Old Jun 28, 2006 | 10:58 AM
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Run some A+ or Sunoco gas through it if you have them, it has great solvents that cleans out bad gas.
 
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Old Jun 28, 2006 | 01:11 PM
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You may also run it by Autozone or the like, see if they will do a KOER code scan. You could have a lazy O2 sensor or another minor problem...
 
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Old Jun 28, 2006 | 10:42 PM
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Did the octane booster after running the half full tank down, and filled up with Shell 87. It worked! Thanks all, I really appreciate it. My little buddy Ranger thanks you, too!

John

 
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Old Jun 29, 2006 | 12:21 PM
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G2IC_Wraith
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Bad gas sucks. Some stations don't have the tanks properly vented so they get water in the tank.

Anyway, Shell is a good choice. They are one of a few TopTier gas providers with more cleaning agents to keep you running right.

www.toptiergas.com
 
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Old Jun 29, 2006 | 05:55 PM
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Good info about Top Tier. The nearest Shell to me is about 12 miles (I live on a farm). But, I've noticed the same tanker with the name of the local gas distributor seems to stop at all of the convenience stores and major gas stations around here, including my regular Exxon, and the local Conoco, Phillips, and Citgo. The only brand at the distributor's yard is Texaco. Suppose the same gas is going to all of this places?

John (Double Ducky)
 
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Old Jun 29, 2006 | 08:04 PM
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Conoco and Phillips are also providers. Keep in mind the tankers have separate sections inside them. It may come from the same "warehouse", but it isn't necessarily the same thing at the pump.
 
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Old Jun 29, 2006 | 09:23 PM
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Talking

I didn't know that. I had thoughts in writing my previous post that I doubted the tanker was that compartmentalized. Reading my mind.

Thanks, Wraith!
 
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Old Jun 30, 2006 | 08:55 AM
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Here in Wisconsin the stations have to buy a certain amount of the gas they are branded for (Mobil, BP, Shell) each month, but once they reach that percentage of sales the state says they can buy whatever brand they want. You never know here later in the month if you are truly getting the brand that the sign says. A couple of the stations in my area are owned by the local Mobil distributor, so at least I know I am always getting Mobil there. Can't say the same about some of the other stations.
 
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