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#216920 - 12/08/11 03:40 PM Re: 2004 grand prix running rough [Re: BlakeG]
FordMan77 Offline
Member
Registered: 10/26/07
Posts: 125
Loc: St. Louis
Probably just the LIM gaskets. And BTW, the HG's on these motors rarely, if ever, fail.

You will need new headbolts IIRC as the stockers are TTY and cannot be reused. Sucks that you tore it all the way down that far. Probably could have gotten away w/ just changing the LIM gaskets and calling it a day.

Since you have it all apart now would also be a good time to remove the TB and clean it as that is a known issue on the 04+ cars.
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These are highly engineered precision vehicles, the first step in diagnosing the problem is to strike the suspected offending part sharply and repeatedly with a blunt object, then re-test.
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2004 grand prix running rough BlakeG 12/03/11 05:05 PM
Re: 2004 grand prix running rough FordMan77 12/08/11 03:40 PM