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Old 04-18-2015, 08:29 PM   #1
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Stuttering issues

Recently I had the very unpleasant experience of getting into some deep water in my stang. It looked be about 2/5 of the way up my wheel before I backed out, could have been deeper (flash flood). I got out asap and everything seemed fine. No engine issues or anything. However, I now get this weird stutter when I take off in first gear. It only happens when taking off (notmally) in first. My car is a 6sp manual and I am on SR Performance lowering springs (1.5" drop). Can anyone point me in the right direction before I go to ford?

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Old 04-18-2015, 08:32 PM   #2
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It doesn't really happen if I rev a little higher and let out faster though.

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Old 04-19-2015, 08:39 AM   #3
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Theres a lot of sensors down low in the engine bay. My initial guess would be the crankshaft position sensor, but if you're not getting and CELs, its possible nothing is really "wrong," you just need to let things air out a bit. How long has it been doing this?
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Old 04-19-2015, 08:43 AM   #4
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Just two days now. It doesn't seem to serious but I want to be safe.

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Old 04-19-2015, 08:58 AM   #5
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Id be willing to bet you take it to ford and sit around the better part of a day only for them to tell you they couldn't find anything wrong. I agree it probably needs some time to dry out. You might also have some water in the mufflers or something like that. That could be causing some back pressure changes the computer is maybe trying to compensate for? idK but I'd wait a few days as mentioned
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Old 04-19-2015, 01:42 PM   #6
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Could also do a reset of the ECU...maaaaybe that might help adjust it a bit?
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Old 04-19-2015, 04:48 PM   #7
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Could a couple back road shakedowns help?

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Old 04-19-2015, 05:02 PM   #8
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The Clutch disc got wet

You say it only happens if taking off slow. I'm guessing the clutch disc got wet. It will probably be OK and better in a short while if you drive around a lot.
If it was a sensor it would throw a check engine light and give a code.
Go to Auto-Zone or Discount Auto Parts and get the computer checked for a code. It is a free service they provide.

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Old 04-19-2015, 05:54 PM   #9
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Well she isn't throwing any codes, so I went to my special back roads and had some fun, cooled down, and things seem better for now. The issue did seem to fade as the car warmed up yesterday as well. I'll give it another day and post my observations.
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Old 04-19-2015, 08:36 PM   #10
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FYI, when i first got mine, i had that crankshaft position code or whatever coming up...thing is, i would have never known if i didn't plug in my OBD2 reader and check out the codes on my new app i got on my phone. it didn't throw a check engine light.

now i didn't notice any driving issues, but i read online, and people said a few 0-60 runs a certain way will make the code go away..and it did. i don't remember the exact way to do it, but i did what i read online, and it's been gone ever since..it apparently just needs to calibrate itself.

so yeah, dunno if that helps though.
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Old 04-19-2015, 09:07 PM   #11
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I think you will be fine

A little water got into the bell housing , Probably through a breather. There is no drain hole on the bottom so the moisture will be with you until it all burns out as steam or vapor.
This occasionally happens to off road vehicles when going through water. I once had a jeep that I drove through a stream. It cleared up in about a week.
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Old 04-19-2015, 11:14 PM   #12
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Thanks for all the information guys. It makes me feel a lot better that I didn't mess my baby up too much. It feels a lot better after doing some fun pulls out on our country roads.

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