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Old 03-24-2007, 11:41 PM   #1
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Default Stalling out UPDATE*

Okay, so the other day I pulled out into traffic and noticed that the engine started to sputter, very badly. I eventually got to a light and the engine actually stalled out. I restarted it and continued on with no problem for about 10 miles. Then again, it started to run poorly (sounds kinda like its seezing, struggling for air) and it stalled out again at the next light. Any ideas? No engine lights or indicators of any kind. The only thing that has changed recently is I got a new Cat last week...but I took the car on a road trip right after that and it ran great. Any ideas would be appreciated.
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Old 03-25-2007, 01:29 AM   #2
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How are your plugs/wires & battery cables?
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Old 03-25-2007, 01:30 AM   #3
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Default stalling huh?

Does it just quit running and none of the dash lights come back on? At all? If they do come on again, I would think you could pull a code because of a stall condition. But I am no expert by any means.
Any of the obvious things, like:
water in gas - fuel filter - fuel reg - fuel sending unit?

Good luck - I hope someone else can give you more ideas.
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Old 03-25-2007, 11:54 AM   #4
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Actually thats exactly what happens...the engine stalls and the dash lights all come on. The plugs and wires have already been replaced. I'm going to Advance later today to see if they can get any codes. Now, the night before I did fill up. How can I tell for sure if it is the gas?
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Old 03-25-2007, 01:09 PM   #5
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Not sure of how to tell for sure... but I'm having similar symptoms and am trying to fix the water/gas scenario first. The absence of check engine lights leads me to believe its a gas thing... I would think that bad sensors would likely throw a code.

Did you have a near empty gas tank last week and / or huge changes in weather? (maybe not since you're in FL)

Last week we had extreme changes in temperature - cold 30'* one day.... near 60 the next day. Unfortunately, I was running on empty during this time. It'* my understanding condensation can build in the gas tank under these conditions. This week I've had nothing but trouble (cuts out while running...stalls at a stop...very intermittant though). Ran 3/4'* of a fresh tank before realizing it was probably water in the gas.

Yesterday I filled up again and added dry-gas. Today I'm replacing the fuel filter as I was told that water will clog a filter worse than dirt (non-bc person - not sure if its true but it makes sense). FIlter'* are cheap and I've got nearly 20k miles on this one anyhow.
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Old 03-25-2007, 08:16 PM   #6
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I was thinking bad gas myself. I took it to two places today, neither of them could find a code. I just got the fuel filter replaced and I have no other reason to believe its the fuel injection/delivery system. I've had pretty consistent weather of late, its been getting up near 85 for about a week now. It was VERY close to empty when I filled it last week. What is DRY GAS? Never heard of it before.
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Old 03-25-2007, 11:19 PM   #7
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Lol... sorry - it'* a phrase we use 'round here. Its a gas additive used to eliminate water (it drys the gas!). We used to use a brand called Dry Gas.... so now that'* what we call it. (Sort of like calling facial tissues'* kleenex'*). There are a bunch of different kinds on the market - Advanced Auto carries a product called K100g for gasoline ( and K100d = diesel). It'* way more expensive than the other brands ($7), but my son swears by it as did the guy at AutoZone (who doesn't sell it! He refered me to Advanced). I figured I'd be the judge of it and try it myself.

In addition to condensation, another theory about letting a tank get incredibly low on fuel is that dirt/sediments can be sucked up from the bottom of the gas tank...but I've heard conflicting stories on if that can be true or not.

Regardless....I replaced my filter today and dumped in the K100g in... but I think I'll have to run this tank of fuel down a bit before it will get noticably better. I'll let you know if I have any luck with it.
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Old 03-26-2007, 12:48 AM   #8
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Being from the north - Buffalo exactly - I swear by dry gas. It can work wonders. Also, if you filled up when they had just filled the in ground tanks, that stirs up the water and junk. Remember... now is the time they start to switch over to "summer" gas mixture.

Good luck... let us know.
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Old 03-26-2007, 12:31 PM   #9
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UPDATE: This morning it started up just fine and ran great for about 10 mins. Then once the engine warmed up it started to sputter like it has been. It didn't stall out completely, but it did get close. Anyway of eliminating something like water in the gas if it only happens when its warmed up?
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Old 03-26-2007, 12:55 PM   #10
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fdh01bonneville - excellent point!

Update on my sputtering: changed out the fuel filter....still ran incredibly bad. Added K100g, to a nearly full tank and drove 15miles to home - still ran badly. Car sat overnight. This morning - HUGE difference. There'* still a sputter once in a while, but nothing like it was yesterday. I need to run out this tank and get fresh gas in... then see if the prob comes back.

Sapphire: The K100g fuel additive states it will clean the fuel injectors as well as eliminating water. I'm no expert, but you could start by eliminating the possibility of bad gas by using this or a similar additive. It was highly recommended and I am impressed with how it improved my sputtering situation overnight.
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