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Gas mileage went down suddenly
#12861570
08/12/18 04:12 AM
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Joined: May 2013
Posts: 3,187
Lil joe
OP
TFF Team Angler
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OP
TFF Team Angler
Joined: May 2013
Posts: 3,187 |
I have a’97 Johnson fast strike that seems to be using more gas than usual the last 3 or 4 times I’ve been on the water. The engine is running perfectly normal. This morning I had 1/4 of a tank, 20 gallon tank, and I made a 4-5 mile run from my last stop to the boat ramp and was pushing e when I got back to the ramp. Any suggestions on possible causes?
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Re: Gas mileage went down suddenly
[Re: Lil joe]
#12861627
08/12/18 12:12 PM
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Joined: Jan 2005
Posts: 1,896
heybaylor
Extreme Angler
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Extreme Angler
Joined: Jan 2005
Posts: 1,896 |
check your boat for water in the hull
heybaylor
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Re: Gas mileage went down suddenly
[Re: Lil joe]
#12862619
08/13/18 01:21 PM
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Joined: Dec 2002
Posts: 3,826
Tommy Yetts
TFF Team Angler
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TFF Team Angler
Joined: Dec 2002
Posts: 3,826 |
1/4 tank in 20 gal. tank is 5 gals. Most fuel tank senders are not spot on accurate when getting low. I would fill the tank and see how much fuel was left in the tank when you put it back on the trailer. That will tell the story.
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Re: Gas mileage went down suddenly
[Re: Tommy Yetts]
#12862935
08/13/18 05:09 PM
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Joined: Apr 2004
Posts: 14,084
Stump jumper
TFF Guru
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TFF Guru
Joined: Apr 2004
Posts: 14,084 |
1/4 tank in 20 gal. tank is 5 gals. Most fuel tank senders are not spot on accurate when getting low. I would fill the tank and see how much fuel was left in the tank when you put it back on the trailer. That will tell the story. I made 2 or 3 trips to the lake with mine at or below a 1/8. I wanted to see how low it would go before I ran out. Boat was new to me and not sure about the gauge. I never did run it out. I got tired of carrying a gas can with me. In my Ranger I could pretty much predict by the gauge when I needed to switch tanks but it would run for quite a while on E.
2200 Bay Champ/200 Mercury Optimax 2017 Tundra TSS 4x4 Crewmax 5.7L
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Re: Gas mileage went down suddenly
[Re: Lil joe]
#12863033
08/13/18 06:27 PM
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Joined: Oct 2012
Posts: 4,414
lenahorse
TFF Team Angler
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TFF Team Angler
Joined: Oct 2012
Posts: 4,414 |
I usually can fish a day trip on a full tank and predict very close to amount for fill up on way home, very close depending on wind where I went and boat loading. Same for % of batteries used and left.
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