STILL HAS MISS
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Post Fiend
Joined: Dec 2009
Posts: 15,505
Likes: 18
From: Livoina,La
STILL HAS MISS
2 days ago she started to miss real bad at highway speed. Got home pulled code P0034 CPS changed it truck ran 90% better but stil has a miss only at highway speeds it idles real good revs up real good in neutral.when it starts to miss if i smash it to the floor it clears up for a little then comes back. I no my fuel pump is starting to leak but if that was it then i think it would get worst when i hammer down on it.the truck has just been completely service. what do ya'll think any help will be greatly appreciated THANKS!!!!
Post Fiend
Joined: Mar 2006
Posts: 7,841
Likes: 0
From: Vacaville, Ca
Reading your signature you have 72psi fuel pressure. That is more than enough to properly run your truck. I am not sure if the IDM is the same or not. Take your buddies IDM off of his truck and see if it runs better.
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Post Fiend
Joined: Dec 2009
Posts: 15,505
Likes: 18
From: Livoina,La
the pump was leaking before the bad CPS and i didn't have the miss. i'm going to return the CPS tomorrow and get 1 more just to make sure i din't get a bad one you know how NAPA parts can be LOL i was reading some old post and found that there is a gray one and a black ane whats the diff.
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Post Fiend
Joined: Mar 2006
Posts: 7,841
Likes: 0
From: Vacaville, Ca
I don't know the difference other than International has the black one. My best friend works there and he can get me those. So the next time I need a spare, I will get it from him.
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Hotshot
Joined: Jun 2007
Posts: 10,008
Likes: 7
From: Austin, TX
your truck being a '97 should have the grey CPS. GO TO FORD!!! not napa. there was a recall on the '97 CPS and if it hasn't been taken in yet then its free.
the '94.5-'95s use the black CPS. ask for a '97 at ford and get a grey. ask for a '95 and get a black. did it. asked for both at the same time. haha
the '94.5-'95s use the black CPS. ask for a '97 at ford and get a grey. ask for a '95 and get a black. did it. asked for both at the same time. haha
Freshman User
Joined: Feb 2008
Posts: 43
Likes: 0
My '95 started off with an occasional miss and later progressed to dying at highway speeds for no reason. I changed the CPS with one I got online and the problem got worse. I got one from the local dealership and the truck ran fine. Apparently these can die at any time and even be bad out of the box. I'd try changing it one more time.
Elder User
Joined: Dec 2004
Posts: 891
Likes: 1
From: Toulon,Il.
Glad you got it fixed.To answer your question on the IDM,Yes it will work in the earlier trucks.As a matter of fact alot of guys get the SD ones cuz they operate on higher voltage,which is supposed to help fire the injector better.Many guys get "modded" ones that are even higher than the SDs
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