96 gt 4.6 engine problem - Mustang Evolution

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Old 09-12-2014, 12:36 AM   #1
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96 gt 4.6 engine problem

Feels like missfire but scanner says no. Ford Racing Wires and plugs, stock coils. Only happens when can is under a load (under the power band with foot to floor). It feels like the whole car is jumping. Any possible fixes are welcome! Thanks!


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Old 09-12-2014, 05:33 AM   #2
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Check the spark plug holes for antifreeze if u find some u prolly have a intake leaking as this is common for the plastic intakes to leak especially if u dont have the upgraded intake with the aluminum crossover, if no coolant id expect plug wires and/ or spark plugs if those are eliminated then try cleaning the maf, i suspect one of these will cure your problem


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Old 09-12-2014, 08:18 AM   #3
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Good call ill check that out any suggestion as to what intake i should put on to replace it? Thanks for the help bud


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Old 09-12-2014, 10:56 AM   #4
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I want to say ford racing PI. I made te mistake I getting he dorman. Don't get a dorman. If u really want I go out there get the edlebrok But to get that you will need to change tb fuel rails and elbo runs about 800 with everything. The ford racing pi is around 250


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Old 09-12-2014, 10:57 AM   #5
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Alright thanks bud


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Old 09-12-2014, 11:15 AM   #6
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No coolant on the plugs i need a tamper proof torx to check the maf new coils soon


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Old 09-12-2014, 03:34 PM   #7
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Dorman is the worst. When it comes changing spark plugs good luck getting a socket down in the hole.

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Old 09-12-2014, 08:23 PM   #8
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I had no prob taking spark plugs out. I just don't like the design.


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Old 09-12-2014, 08:41 PM   #9
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Lucky then. I have to angle it just right and even that I have to use pliers to help the socket out.

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Old 09-15-2014, 10:14 PM   #10
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Had the same issue replaced plugs and it fixed the issue


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Old 09-16-2014, 06:10 PM   #11
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I actually just finished this problem.

I did the plugs first, only kinda fixed, saw the coils were *****, ordered and that seems to have fixed it. When I'm in the range it would stutter/jump, I try to replicate. No "luck" duplicating, and it's almost a month since!
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Old 09-16-2014, 06:16 PM   #12
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Alright thanks man


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Old 09-24-2014, 07:24 PM   #13
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96 gt 4.6 engine problem

Ya the doorman is what i got to and my spark plugs where hard to change cuz the hole but i took a razor knife and shaved the inside of the hole alil and now its as easy as pie, the dorman u can get offline for cheap but if u plan on building the car and turning it to 7k+ rpm id rec a trickflow track heat or a typhoon series but if ur still chasing ur prob id do plugs wires and i got 2 msd coil packs ( mines a 96) and yes u need a tamperproof torx to clean the maf that shoul take care the problem


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Old 09-24-2014, 07:26 PM   #14
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Its the intake manifold im leaking coolant into to chamber


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Old 09-24-2014, 07:29 PM   #15
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Figured, if u dont want to spend a small fortune then get the dorman pi intake with alum crossover before u put it on rake the spark plug socket and put it in each hole and shave the holes that it is hard to go in with a razor knife alittle and ull have no problems, its what i did and it hasnt given me any trouble yet 20k miles later ( knock on wood)


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Old 09-24-2014, 07:30 PM   #16
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Thanks


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Old 09-24-2014, 08:14 PM   #17
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Quote:
Originally Posted by thyreaper View Post
Ya the doorman is what i got to and my spark plugs where hard to change cuz the home but i took a razor knife and shaved the inside of the hole alil and now its as easy as pie, the dorman u can get offline for cheap but if u plan on building the car and turning it to 7k+ rpm id rec a trickflow track heat or a typhoon series but if ur still chasing ur prob id do plugs wires and i got 2 msd coil packs ( mines a 96) and yes u need a tamperproof torx to clean the maf that shoul take care the problem


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Or you can not buy a POS intake and just buy the Ford Racing PI intake. It really isn't that expensive anyways
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Old 09-24-2014, 08:20 PM   #18
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I tell you what, spell check goes along way. I can not figure out what 3 of the posts are trying to say

X2 on not buying the Dorman intake. Just pay the little extra and get yourself a FRPP intake. You will not regret it and not have to replace again in the little time the Dorman will fail.
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Old 09-24-2014, 08:36 PM   #19
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96 gt 4.6 engine problem

Or u can save 60-100 and not fall into the bs, ive never had a doorman intake fail neither has the shop i work at and ive personally put dorman intakes on cars that are still going strong 100k miles later no problems, ive never seen the ford racing one up close but in the pictures it looks exactly the same as the dorman so whats the difference? They both are made out of the same composite material... If and when i upgrade my motor im going to go with a typhoon or a track heat so i can port match and all to it but if money is an issue ive never had a problem with the dorman and neither has anyone i know of, i can speak from experience....


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Old 09-24-2014, 09:36 PM   #20
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They're dyno proven to lose power, it may not be much but it's still losing power. There's a reason Ford updated to a PI intake manifold

What parts for intake swap?
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Old 09-24-2014, 10:05 PM   #21
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Ya i was talkin about a pi intake lol


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Old 09-26-2014, 03:43 AM   #22
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Quote:
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Ya i was talkin about a pi intake lol


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The dorman pi intake is what i was talking about that i put in my car not the npi intake i have pi headswap


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Old 09-26-2014, 06:47 AM   #23
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Lol, wow... Anyone recommending the Dorman, I'm clipping a corner off your Mustang card.

The Dorman flows like NPI intake, it literally IS a NPI intake that is a direct bolt on to PI heads. Spend the $215 from LRS/AM and get the real Ford PI intake and don't lose power. Or you can remain willfully ignorant... your choice.
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Old 09-26-2014, 01:14 PM   #24
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Maybe the older ones? Ive compared a ford pi intake to the dorman pi intake and theres no difference, the one that i bought and have on my car anyway


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Old 09-26-2014, 08:13 PM   #25
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Did you put them both on a flow bench?

Yes, the Dorman physically looks the same port wise. It still flows like a NPI intake. Just because it looks the same does not mean it flows the same.

It is common knowledge among the Mustang community that the Dorman is a crap intake performance wise.
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Old 09-27-2014, 01:52 PM   #26
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Yes and upon reAding everything apparently the dorman i compared (mine) to the ford one and mine appears to be the exception apparently at one time dorman ran out of intakes and used the ford racing one and put it in there box so apparently my intake is the ford racing one and from what ive seen there is a noticeable difference the ports are smaller and all, so i do not recommend the dorman intake i recant on what i said about them and apologize if i have mislead anyone. 🚘


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