Fram Locking Gas Cap...Yay or Nay? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 9 Old 01-07-2012, 10:10 PM Thread Starter
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Fram Locking Gas Cap...Yay or Nay?

Does anyone have experience with the Fram locking gas cap? I am primarily concerned with the poor gas mileage that some people claim with other aftermarket caps.
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post #2 of 9 Old 01-08-2012, 03:59 AM
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Who is claiming poor mileage with different caps? They make No difference! If they did, it would be from fuel evaporation, which would be an evaporative emission leak, which would throw a CEL.

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post #3 of 9 Old 01-08-2012, 04:39 AM
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There's no need for a locking gas cap.

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post #4 of 9 Old 01-08-2012, 06:19 AM
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I don't buy into the gas cap and anything to do with gas mileage but I did invest in the molar one that uses the ignition key to unlock it, I hate having to deal with a bunch of keys.

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post #5 of 9 Old 01-08-2012, 06:55 AM
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Quote:
Originally Posted by Suffolk JK View Post
There's no need for a locking gas cap.
Unless you live in an area where they siphon gas....
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post #6 of 9 Old 01-08-2012, 07:07 AM
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I use a Stant locking cap. Have not noticed anything different with MPG. I would think that there would be no chance that anything like that would have an effect on MPG

I choose to lock it; gas is $3.35 here in MD. Better to be safe then sorry!


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post #7 of 9 Old 01-08-2012, 07:12 AM
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I got a new gas gap and it improved my milage by 5 miles/gallon.
Seriously, get the locking door, not the actual cap that locks.
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post #8 of 9 Old 01-08-2012, 07:23 AM
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My luck has been that those F'n locking gas caps will break on you at the worst times. I steer clear of them.

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post #9 of 9 Old 01-08-2012, 10:56 AM Thread Starter
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Quote:
Originally Posted by OH9JK View Post
My luck has been that those F'n locking gas caps will break on you at the worst times. I steer clear of them.

This is definitely worth considering. As for the locking door, I personally don't care for the look of them. Thanks for all the input guys!
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