My 89 gt smeels like fuel and smokeing - Mustang Evolution

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Old 05-29-2012, 05:56 PM   #1
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My 89 gt smeels like fuel and smokeing

My car smells like fuel all the time and I can't figure out why it has msd 6al box coil cap wires headers h pipe other than that it is bone stock I have noticed that it starts to idle a little rough and sometimes it will have a little smoke that smells like fuel with a blue haze to it any ideas or please lead me in the right direction to figure it out
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Old 05-29-2012, 06:14 PM   #2
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Just a quick question your title says not a 302 so what do you have?.also blue - oil
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Old 05-29-2012, 06:18 PM   #3
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That was my white lx it was a 331
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Old 05-29-2012, 06:44 PM   #4
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Exactly how much blue smoke we talkin about here? Cause if its blue your burning oil. Does it warm up and go out? Worn piston rings and or valve guides could be the prob.i know you said a little but constantly.i guess is what i am getting at?

---------- Post added at 07:44 PM ---------- Previous post was at 07:32 PM ----------

I mean that would be worse senerio. But it could just need a maf cleaning for the running rich and in a previous post i belive a guy just needed to replace the pvc valve
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Old 05-29-2012, 07:21 PM   #5
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It is not all the time just a little smoke fought idle and smells like fuel bad
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Old 05-29-2012, 08:37 PM   #6
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Quote:
Originally Posted by Not_a_302
It is not all the time just a little smoke fought idle and smells like fuel bad
Ok so when warm it does not do any of this? I.e runs good does the burning oil disapate? Aswell as the gas smell? Or does it smooth out.
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Old 05-29-2012, 11:24 PM   #7
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Re: My 89 gt smeels like fuel and smokeing

It is to rich. The extra fuel is/has likely washed down the rings and it is burning oil.


Check your fuel pressure, filter and regulator.
A pin hole in the regulator diaphragm will allow fuel to be sucked into the engine through the vacuum lines and the pressure will be way off too.
O2 sensors may also be bad.
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