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Mustang_289 · 08-22-2002, 10:24 PM

if your car has speed density on it then that is your problem. i had same problem on my car with speed density. it would diel real rough and at times it would not idle when i came to a stop. and then some times it ran great. i suggest (if you have speed denstiy ) to go and get a stock filter put it in and then save some money and get mass air. and then go crazy modding it. once i put a stock filter on and took off my k&n it ran fine.

08-22-2002, 10:24 PM	#2
Mustang_289 Registered Member Join Date: Sep 2001 Posts: 512	surging problems if your car has speed density on it then that is your problem. i had same problem on my car with speed density. it would diel real rough and at times it would not idle when i came to a stop. and then some times it ran great. i suggest (if you have speed denstiy ) to go and get a stock filter put it in and then save some money and get mass air. and then go crazy modding it. once i put a stock filter on and took off my k&n it ran fine.