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Old 07-29-2015, 09:20 PM   #1
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Slow gas fill on Chevy 2300

I now have a problem of the Sunseeker Chevy 2300 not taking gasoline at anything other than slow flow. It was not like that in the beginning. I have not had time to crawl under and look at the fill hose. Has anyone else had this problem on their Chevy based Sunseeker?

2014 Sunseeker 2300 Chevy
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Old 07-29-2015, 09:44 PM   #2
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I had this problem with a 3500 GMC. They had to put in a new tank. It was under warrantee.

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Old 07-29-2015, 09:49 PM   #3
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Had this similar problem, it would fill slow and if I tried to fill the normal speed, it would keep popping like it was full. It ended up being an evap canister which allows the fumes to dissipate when filling the tank. The evap canister module itself had a clog in it and that's what it was. It did eventually end up throwing a check engine light so I was able to track it that way. If yours isn't throwing a code, it's a possibility that it's NOT emissions related.
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Old 07-30-2015, 06:37 AM   #4
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Last two times at the pump I started having a "slow only" fuel fill
Ford 2860
I'm going to try a different station but the slow fueling was two different pumps
I'm over one year
Anybody know if this is still a warranty item if it is in fact a tank or evap canister?
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Old 07-30-2015, 07:39 AM   #5
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Ford chassis warranty is 3 year 36,000 miles.
I beleive GM has the same chassis warranty.
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Old 07-30-2015, 08:05 AM   #6
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I learned that if you fill your tank slowly rather than the express or fill fast, you will get more fuel into your tank instead of more vapors, you would save some money too maybe about $1 or so. And also helps if you can do it in the mornings where ambient temperature is cooler.
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Old 07-30-2015, 12:40 PM   #7
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This dose not sound right to me? the evap canister is there to remove the vapors while fueling. seems when I go to a station with my gas light on it takes 16 gal's the amount the tank can hold. I also don't understand how you would save money? can someone explane this to me?
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Old 07-30-2015, 12:49 PM   #8
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Our 2300 is a slow fill as well. Other than it being a pain, I haven't thought much about it. It does fill completely and gets great fuel economy.
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Old 07-30-2015, 01:29 PM   #9
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Also have a Chevy 4500 chassis Sunseeker 2300, 2013 model, and several other GM vehicles. All seem to be slower than I would like when filling. Buick Lucerne does the best. 2007 GMC 2500HD Duramax the worst. The Sunseeker 2300 is kind of in the middle. The Buick is the only vehicle for which I can use the pump's fuel latch, even on the least fuel rate. That said, I still finish faster than the Ford Chassis as less fuel is required.
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Old 07-30-2015, 01:51 PM   #10
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I had a similar problem with a Ford F-250. The dealer said there was nothing wrong, but few weeks later the tank over pressurized and blow off the gas line. The fire destroyed the truck. Of course, Ford refused any responsibility. This can be a serious problem, so please get it checked out.

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