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rough idel/missing problem 

 

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 Post subject: rough idel/missing problem
Posted: Sat Jan 07, 2006 3:11 pm 
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hi there i have had the plugs leads and a whole new exhaust on my car to fix the problem but it is still there when in drive at a red light ny car will idel really low and rough like it is nearly going to stall could anyone think of anything that could cause this?
help would be great.

Daniel
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Posted: Sat Jan 07, 2006 3:23 pm 
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welcome to Fords EFI i6

clean the Idle speed Valve + Throttle Body, in bad cases reset the ecu (may help)

 

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Posted: Sat Jan 07, 2006 3:33 pm 
Getting Side Ways
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is it possible i have done a head gasket in? it only hapens when it is at running temp.
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Posted: Sat Jan 07, 2006 4:32 pm 
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Does it use coolant?
Do you have a milky substance under your oil cap?

 

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Posted: Sat Jan 07, 2006 5:34 pm 
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no i dont have a milky substance under the cap.?
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Posted: Sat Jan 07, 2006 6:03 pm 
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do a self diagnosis on it, my bet is give the throttle body a clean and the idle control solinoid! they carbon up after awhile and do what your explaining.

if you had a milky substance under the cap that is the oil mixed with water, in other words you would have a blown head gasket, so if under ur oil cap is nice and black your OK, aslong as its not using much water.
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Posted: Sat Jan 07, 2006 6:31 pm 
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did you push the leads down so that it does not pop up again? some times air is trapped in the lead boots after you install them, they tent to pop off making poor contact.

 

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Posted: Sat Jan 07, 2006 6:50 pm 
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yep they are on good and there is no milky stuff is it possible the rocker cover gasket is gone? how much are they to replace? it seems there is a bit of oil coming down from the rocker cover and pooling near the 3rd spark plug. Would that cause the car to idel and mis like it is?
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Posted: Sat Jan 07, 2006 7:41 pm 
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the rocker cover gasket won't affect idle,just replace it if it's leaking,as the others have said,clean the idle solinoid and the throttle body,give a really good clean.

to replace the rocker gasket:

1remove all attachments
2remove the four nuts or bolts holding it on
3lift off
4clean mateing surfaces
5place new gasket over the head,basic this part is
you can use gasket goo but i prefer not to
then just reverse order from 3 to 1.

 

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Posted: Sat Jan 07, 2006 7:53 pm 
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Clean the idle solenoid and if need be replace it -at least you know that is fixed is a future problem arises.

 

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Posted: Sun Jan 08, 2006 6:04 pm 
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ok then i will try all of this if it still happenes i will get back to you

Daniel
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Posted: Sun Jan 08, 2006 6:20 pm 
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I dont like the ISC. Mine is connected, but I have a gasket underneth it so it's not working. I want my car to run normal, and the computer can't make my car idle when it is connected, but thats what you get with a stage 3 cam

 

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Posted: Sun Jan 08, 2006 6:31 pm 
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oh really? does anything happen if you diconect it? cause if not i will disconect mine, hornet does your car have a stall converter?

Daniel
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Posted: Mon Jan 09, 2006 4:01 pm 
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wat will happen if i disconnect the ISC can i run my car with out it?
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Posted: Mon Jan 09, 2006 6:27 pm 
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how about dizzy cap and rotor?
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