4.6L General DiscussionThis section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.
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main problem is my clutch pedel has started to feel rough and bumpy almost all the time, another problem im having is the car feels like its bogging or stuttering when im WOT, almost like its not getting enough fuel or spark (mainly between 1500 and 2000 rpm but has recently started all through the revs), i changed all my spark plugs, still havin problems.
and to finish it off when my A/C is on the car revs up and down from 600-1200 rpm at red lights and when stopped. might be the alternator but not sure.
need some help debunking these problems, thanks guys.
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well the reason your idle is jumping at the light is because the AC clutch keeps kicking in/out. Check your free-on pressure in the system it maybe low. I had this similar problem but I just removed everything and anything to do with the AC.
When does your clutch pedal feel rough and bumpy when you press it in or right before? Is it a stock clutch or aftermarket?
For the bogging try cleaning your MAF take a peek at your throttle body see if its clean, if you haven't replaced your fuel filter go ahead and do so. Make sure your air filter is clean. Does it bog with the AC on?
You could get ahold of Tousley Ford Parts through the SVTPerfomance forums, or american muscle sells the pilot bearing from Ford Racing for like 12 and AM may have the TOB from Ford for somewhere in the neighborhood of 50 bux
__________________ Faded Rio Red 1998 GT - Slow-"ish", MGW sts, Aluminum DS, 3.73, O/R H and Flowmaster somethings, 4V swap win-ness!
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