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Old 02-19-2014, 05:02 PM
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Need help water kills engine

Lately when ever i go thru water and it splashes into my engine compartment my jeep will start to jerk and spuder then the engine will die and it will take sone time befor i can start it again. Any suggestions on what might the problem

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Old 02-19-2014, 05:10 PM   #2
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I4 or I6?

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Old 02-19-2014, 05:15 PM   #3
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How fast are you hitting the water?
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Old 02-19-2014, 05:18 PM   #4
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Maybe its getting in the intake? Do you have a cold air intake?
Happened to my buddy with a tacome. Had a cold air intake and went through a mud pit and it died on him in the middle of the pit. Rescued him and once he got out like 5 min later it started up.
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Old 02-19-2014, 05:31 PM   #5
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I would change out your plug/coil wires and Distributor cap for starters. That never hurts anyway.
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Old 02-19-2014, 07:39 PM
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Well i have a 03 rubi so its got a 6 in it with the stock air intake
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Old 02-19-2014, 09:05 PM   #7
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Most likely water shorting out your distributor cap. Replacing it may help, or go slower through the water so it don't splash up. I know that isn't as fun.
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Old 02-19-2014, 09:16 PM   #8
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It's an '03 so there's no distributor cap. Could just be some connections that are getting drenched, try sealing the coil rail connector and all the other sensor connectors including the PCM with dielectric grease which is waterproof.
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Old 02-19-2014, 09:23 PM   #9
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Also check the crank sensor. Coworker had a van that did this every time he hit a puddle. Water was getting into the crank sensor connection.
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Old 02-19-2014, 09:40 PM   #10
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It seems to me if a sensor was being shorted out that it would throw a code.
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Old 02-19-2014, 10:58 PM
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Quote:
Originally Posted by Jerry Bransford View Post
It's an '03 so there's no distributor cap. Could just be some connections that are getting drenched, try sealing the coil rail connector and all the other sensor connectors including the PCM with dielectric grease which is waterproof.
I do plan to grease every plug i have i did it on my 97 i just didnt have time before the weather got cold i plan to do it when i do my spring switch over when i put my tires and soft top on and PCM? What is that iv havent heard that before?
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Old 02-19-2014, 10:59 PM
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Quote:
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It seems to me if a sensor was being shorted out that it would throw a code.
It thru a code: P0321 Ignition/Distributor Engine Speed Input Circuit Range/Performance
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Old 02-20-2014, 12:23 PM   #13
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I would change out your plug/coil wires and Distributor cap for starters. That never hurts anyway.
I had the same problem with my 98 I6. When it would rain really hard, it would sputter, or if it rained overnight while parked and humidity was high, it would not start. It was the plug/coil wires and distributor cap. I discovered this when I saw them arching. Replaced and never had a problem.
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Old 02-20-2014, 12:29 PM   #14
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I do plan to grease every plug i have i did it on my 97 i just didnt have time before the weather got cold i plan to do it when i do my spring switch over when i put my tires and soft top on and PCM? What is that iv havent heard that before?
PCM = powertrain control module = the engine computer mounted on the passenger side firewall.
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Old 02-20-2014, 01:15 PM
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Quote:
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PCM = powertrain control module = the engine computer mounted on the passenger side firewall.
O ok the computer lol

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