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I took my 99 cherokee sport through some water that was just a bit to deep and i sucked about 10L of water into my engine..atleast. It stalled so i got it towed out we pull the plugs and turn the engine till the water is out. It starts. i drive it home but now the rpm's are higher than normal when i idle. Is this a easy fix?

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Though you see Jeeps swimming across rivers and flying through the air in commercials, in stock trim, they are only a slight bit better than a passenger car for doing those things. If you take a look at one that is used off-road, you will find that they have been heavily modified., with the intake opening raised higher and all electronics sealed better. (lots more as well)
Getting water into your engine can do all kinds of expensive damage such as bending piston connecting rods or breaking them altogether.
Water in the electronics can do all kinds of bad things, depending upon what it's gotten into. Make sure all your sensor plugs are dry inside. I'd also clean out the throttle body with carb cleaner to make sure the throttle plate isn't binding and staying open a bit more than it should be.I would also change the engine oil as water in the cylinders can leak down into the pan and contaminate it.
It's a good thing that it runs. Heat from the engine will help dry out anything you missed.

Posted on Jul 13, 2010


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