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Old 06-22-2009, 04:16 PM   #1
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rain & jeep aren't getting along

So as anyone who lives in New England knows, this spring/summer has been terrible weather, nothing but rain. Lately, when it pours and i go to work in the morning, the jeep will start up easy enough, however, the engine studders if my rpms are too low when in gear, which is not like usual. I actually stalled on a light at the top of a hill that i've never had an issue with. So this weekend i left it sitting while another storm came through. Last night I went out and she wouldnt go. turn the key and the initial turning would go but nothing would flame. when i hit the gas while turning the key, the engine would just die. tried to push start it and got nothing. Started to get the small of fuel so figured it was flooded and let it sit. 30mins later after 5 more attempts it finally started. let it idle for 5 mins then but it in 1st, stalled. started back up and then took it out for 30mins, after 15mins it sounded and was acting normal. Come back this afternoon and she wouldnt start again! I just got it going and cant figure this out. water in the lines? i'm throwing dry gas in right now and checking all the power lines... spark plugs havent been touched since i've had it, >2yrs.... HEELLLLPPP!!!

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Old 06-22-2009, 05:52 PM   #2
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I used to have a Saab 900 and this happened to me before. Turned out the be the coil.

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Old 06-22-2009, 06:18 PM   #3
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Kind of sounds like what happens when water get's in the distributor to me... once this rain stops (which it's supposed to this weekend, allegedly) I would pull the cap and seal it up with some dielectric grease- the problem could be as simple as water is creeping up into it while your cruising in the rain.
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Old 06-22-2009, 08:39 PM   #4
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Kind of sounds like what happens when water get's in the distributor to me... once this rain stops (which it's supposed to this weekend, allegedly) I would pull the cap and seal it up with some dielectric grease- the problem could be as simple as water is creeping up into it while your cruising in the rain.

isnt this weather nuts?!!! unbelievable. my parents live on a hill and the bottom of the road was completely flooded with 3' of water for about 30yrds! I was so mad that we had drove my gf's camry down!(220mi round trip) I threw in some dry gas and then backed up into the curb a few times to mix it up, let it idle for another 5mins and its been fine! I'm hoping that its just from all this damn condensation! when this weather clears up and the humidity is low, i'll take off the cap and check it out.
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Old 06-22-2009, 10:04 PM   #5
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it's F'ing biblical. I can't wait for this all to stop so some of the trails can dry out a bit. I drove by one I usually go to the other day and the usually-hairy first water crossing looked like it was about 5 feet deep!
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Old 06-22-2009, 10:42 PM   #6
Knows a couple things...

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First, WD-40 is effective at chasing moisture out of electrical circuits. In fact, that is what it was designed for. You can use it to chase moisture out from underneath the distributor cap which can get inside if the cap is old, worn, and doesn't fit tightly.

Something else that can cause wet weather problems are old ignition wires. When the insulation starts cracking and breaking down, moisture on the wiring allows the spark voltage to short out to the engine block. I'd probably replace the ignition wiring with fresh OE ignition (spark plug) wiring together with a new distributor cap and rotor. Make sure the cap and rotor both use brass contacts, cheap aluminum contacts don't last nearly as long. I would avoid aftermarket ignition wiring sets as there are just too many that cause problems and far too few that are any good that won't cause ignition noise (static) in your radio or CB radio.
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Old 06-23-2009, 07:59 PM   #7
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wd-40'd earlier this afternoon when i got home from work. took another 30mins and its started. drove it around and she cleared up again... distributor had a tiny bit of corrosion on the inside posts. checked one of the spark plugs and it had carbon around it. rain came and i couldnt check the rest of them. started it all back up and it sounded like a cyclinder wasn't goin. almost the sound of one of those old nissan's from the 80's just putting down the road. I'm also thinking that i might have bad gasoline in the tank. i've been filling up at corner store that uses citgo and my friend just told me today that his dad has had issues with their gas in his tundra. i'll be staying away from there from now on, despite the lowest price in the area.
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Old 06-23-2009, 08:11 PM   #8
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checked one of the spark plugs and it had carbon around it.
J/k a real picture looks a lot different than a black and white manual illustration... the spark plug looked normal.
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Old 06-23-2009, 09:01 PM   #9
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This weather sux! I havent had the top or front windows off the jeep in weeks...such a shame.

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