lack of power

W

whitebullet

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Hello everyone my Stang haven't give me any problems lately but like a week ago it started acting weird with no Check Engine Light, it doesn't do it frequently but it bothers me a lot, I've notice it specially when accelerating it feels like it has no power at all, its like its missing spark or something, and it only does it for like two or three second and then it stops and doesn't do it for a while. I don't think its fuel because I have a fuel pressure gauge and its reading 32psi at idle which to me its a little low but it didn't do that before with the same pressure, I've changed the IAC, IAT, and TPS sensors, msd super conductor wires, autolite XP spark plugs, checked the cap and rotor and seemed fine and the pick up coil in the distributor has been replaced before this happened like 3 months back, and recently changed the maf sensor but haven't taken it out for a spin, but do you guys think that might have solved it? I personally think it was bad fuel or something. What do you guys think?
 

El_Diablo

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clogged cat.. could be fuel pressure still (an idle test wont tell you crap, you need to run it through the range) or bad spark, possibly a bad ground but not likely
 

Hoseitdown

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Did you check your kanooter valve?














JUST kidding... sorry.......




carry on.
 

mich_666

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its a mustang, they come fully equipped slow from factory...

on a serious note, when its idling, does it run rough or seem at all out of wack?
 

Steven

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has happened to myself also. The computer may be finding reasoning inside its stupid head to pull timing which is something thats fairly common with these cars. The computers like to pull timing.
 

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