96 3.8 Thunderbird Runs rough. - TCCoA Forums
 
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post #1 of 6 (permalink) Old 06-11-2007, 11:47 AM Thread Starter
 
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96 3.8 Thunderbird Runs rough.

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OK here it goes. I have been trying to get this car running right for over a year now. When I start it, it runs rough and hesitates when I hit the gas. For a while it hardly ran at all but a friend of mine changed the fuel pump and that helped alot. Now it runs but I am left with this rough idle and hesitation when I step on the gas. I brought it to my mechanic and he changed the head gaskets. $1,000 later and the car did not run any better. I checked the plugs yesterday and they are black and smell like fuel. I am hopping someone here can help me because I'm stuck. Thanks for your time.
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post #2 of 6 (permalink) Old 06-11-2007, 11:50 AM
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Clean/replace MAF sensor, check all vacuum lines, check fuel pressure, change plugs & plug wires, change coil.

--Chris

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post #3 of 6 (permalink) Old 06-11-2007, 06:07 PM
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Did you check the fuel injectors? You could have one that is constantly open thus your fuel smell and black plugs.
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post #4 of 6 (permalink) Old 06-11-2007, 07:48 PM
 
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It sounds like you may possibly have a problem with an O2 (oxygen) sensor.
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post #5 of 6 (permalink) Old 06-11-2007, 07:56 PM
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Quote:
Originally Posted by master486 View Post
Clean/replace MAF sensor, check all vacuum lines, check fuel pressure, change plugs & plug wires, change coil.
I'd add the IAC to that list as well.

"Won't work, can't be done"
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post #6 of 6 (permalink) Old 06-11-2007, 08:37 PM
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Quote:
Originally Posted by cougar_guy04 View Post
I'd add the IAC to that list as well.
I agree. Good point.

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