4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

hesitation

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Old 06-02-2005, 10:08 PM
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IownaMustangNow
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Default hesitation

yea... ive had the car 2 weeks and picking up hesitation already..;l btu thats ok its got 124000 miles on it so im not mad... but ne ways, when i hit the gas it seems to take a second for the car to take off... but then it takes off and is under normal power... but at first it bogs down, my first guess was fuel injectors. Am i most likely right? what else could it be.. do i need to describe more?
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Old 06-02-2005, 10:11 PM
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98UAGT
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Default RE: hesitation

It could be clogged injectors/fuel filter. It may even be that you have a spark problem. Take your plugs out and see how clean/dirty they are. May be time for new plug wires or coil packs. If you are going to have to do coil packs go MSD just in case you raise compression later with PI heads.
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Old 06-02-2005, 10:12 PM
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IownaMustangNow
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Default RE: hesitation

thanks!
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Old 06-02-2005, 10:27 PM
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IownaMustangNow
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Default RE: hesitation

i also have that clickinjg in my exhaust... like i donno if anyt of u read my post before it was labeled clickity in exhaust, but ne ways do u think that would cause the hesitation, like an exhaust leak, or maybe my catalitic converter is basically gone and the remains are rattling inside?
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Old 06-02-2005, 10:36 PM
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Jglisson
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Default RE: hesitation

Hesitation problems could be from a dirty fuel system (intake,injectors,filter,etc.) to electrical (TPS sensor). Is it like a low power delay or like a mis-fire?

Also...study up on your native tongue. Your grammar is horrible.
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Old 06-02-2005, 10:45 PM
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IownaMustangNow
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Default RE: hesitation

lol im fregen american...i just cant type ne ways ummm its a low power delay
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Old 06-02-2005, 11:02 PM
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Acer2428
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Default RE: hesitation

Could also be a MAF problem.

Is it like a bucking?
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Old 06-02-2005, 11:10 PM
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IownaMustangNow
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Default RE: hesitation

nah not bucking....only when i shift bad
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Old 06-02-2005, 11:48 PM
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Jglisson
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Default RE: hesitation

a low power delay definitely sounds like a fuel problem...usually ignition and some electrical problems result in a jerking/bucking effect.

Check out the fuel system first. Start with the cheapest and go from their.

A fuel filter service and fuel pressure test would be great for starters. Pull a plug and see what it looks like...
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Old 06-03-2005, 12:21 AM
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sickspeedgt
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Default RE: hesitation

i had a bucking effect, thought it was from my new springs, but turns out i had bad plugs and a bad coil, got them replaced, and VOILA, all better
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