'92 YJ 2.5L - Trouble Starting / Sputtering After Rain - Jeep Wrangler Forum
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Old 05-12-2010, 10:56 AM   #1
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'92 YJ 2.5L - Trouble Starting / Sputtering After Rain

Our '92 Wrangler frequently sputters/hesitates for several miles when I start it up after rain. If it was a heavy rain, like last night in Kansas, it has trouble starting as well. This morning, I tried 10-15 times before it successfully turned over, then had to try again & give it a lot of gas before it would stay running. We thought it was the fuel line originally, but we've recently changed the fuel pump & hoses. And the fuel pump DID need changing.

This may be unrelated to the sputtering issue, but it also gets water on the floor, mostly the driver's side. When I turn a corner after rain, my feet get soaked. It has done that for as long as I can remember though. The sputtering/hesitating just started last year. If I remember right, it began when it got cold last year.

I've heard from someone that I should check the distributor cap, and I will do that. I also read something here about checking the hose beneath the battery for clogs. That was just pertaining to water on the floor though. I don't know if that would cause the Jeep not to start or to sputter while driving. Has anyone else experienced this issue? Or does anyone have other ideas?

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Old 05-12-2010, 11:49 AM   #2
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I was having rainy-day starting problems also. I replaced the map sensor and it works fine now. Sold at auto parts stores and super easy to install.

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Old 05-12-2010, 12:17 PM   #3
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yep replace the map sensor and dist. cap either could cause the problem your having.
the leak on your feet can be from a leaking window crowl gasket and or a clogged drain hose ( the drain hose comes out of the firewall ) also clean out the air intake of leaves and over stuff that gets built up .
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Old 05-12-2010, 12:31 PM   #4
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Thank you guys. I will try all of the above & let you know how it works.
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