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Old 03-25-2009, 11:35 AM   #1
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help please

hello im kris ,new to the site and i need some help.....i recently bought a 98 gt and have upgraded a few things ,exhaust,reaer end,gears,etc.... heres my problem last night i rinsed the engine off after a mild degreasing,and also added "lucas oil treatment to the motor. when i parked the car it was running great. but after the wash its running like crap....almost like a car would run if someone had put the plug wires on in the wrong firing order.... it idles very very rough and has no more power sounds terrible... can some one please help a guy out with some guidence on where i should start or any ideas on whats wrong with my car


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Old 03-25-2009, 12:03 PM   #2
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Re: help please

I believe someone here had a similar problem. What wound up happening was water seeped into the ignition coils and the car was throwing codes as well. It may be there is water in the ignition wires.

I read the post just yesterday so the thought is kinda' fresh in my mind but I could be very wrong. Someone here will be able to give you a much better answer confirming or accurately placing the problem.
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Old 03-25-2009, 12:35 PM   #3
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Re: help please

you could start by removing the plug wires and use air to blow dry the terminals and wires. then reinstall with dielectric grease, it will keep water from affecting it later too.
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Old 03-25-2009, 01:36 PM   #4
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Re: help please

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Originally Posted by OsirisGuy View Post
I believe someone here had a similar problem. What wound up happening was water seeped into the ignition coils and the car was throwing codes as well. It may be there is water in the ignition wires.

I read the post just yesterday so the thought is kinda' fresh in my mind but I could be very wrong. Someone here will be able to give you a much better answer confirming or accurately placing the problem.
lol, ya i just read that a couple seconds before this one, water had gotten into the coils i believe

http://www.mustangevolution.com/forum/t105010/
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Old 03-25-2009, 09:44 PM   #5
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Re: help please

ya ask hottcobra i think he knew what happened
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Old 03-26-2009, 09:23 AM   #6
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Re: help please

yup, water on an engine is a bad idea.. I know there comes a time when the engine is so nasty due to neglect that you just have to do it.. just try to not have to go there again after you get it going good.
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Old 03-31-2009, 10:34 PM   #7
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Re: help please

Water on the engine is fine, really, but never pressure wash an engine. High pressure can force water past the weather pack in the electrical connectors and cause problems. Probably once it all dries out it will work fine again as long as nothing corrodes.
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Old 04-01-2009, 06:41 PM   #8
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Re: help please

Sounds electrical as others stated. It happened to me, and found moisture in distributor, in plug connectors. The advise on using di-electric grease is a must.
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Old 04-02-2009, 09:20 AM   #9
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Re: help please

I am glad that I read this b/c we were going to rinse out the engine bay this weekend b/c of all the pollen in our area getting in there.
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Old 04-02-2009, 09:42 AM   #10
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Re: help please

if you hand clean your engine regularly there is no need to use a hose as it wont be dirty at all, just say once a month really good and thats all it takes
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