5.0 idle help

89lx4life · November 2nd, 2009, 12:12 PM

hey need some advice on an idle problem

stock maf and injectors, 02s are cut cuz they are bad i have new ones but idk if its really gonna make a difference on this...

start it up on a cold start it starts up perfect fires right up but wont keep an idle....i have a bcam usually idles around 8-1 but after i rev it until it keeps an idle it only keeps at about 500-700...any ideas ??? thanks

spoulson · November 2nd, 2009, 01:47 PM

So you're running with O2 sensors disconnected? You need them.

93hatch · November 2nd, 2009, 01:51 PM

+1

89lx4life · November 2nd, 2009, 01:55 PM

yeah because they were bad but i have new ones so go ahead and put the new ones on here in a minute and post and let ya know if it helped ? thanks

93hatch · November 2nd, 2009, 02:03 PM

If it doesnt work do these

Mustang idle surge and base idle reset

89lx4life · November 2nd, 2009, 02:04 PM

appreciate it

flyin ryan · November 2nd, 2009, 03:07 PM

o2 sensors tend to help with the overall tune of the car so those bad o2's and lack of might be most of your issue if not all.

89lx4life · November 2nd, 2009, 11:33 PM

thanks man hookin the new 02s cleared it up

November 2nd, 2009, 12:12 PM	#1
89lx4life Newbie 1989 Mustang LX Join Date: Nov 2009 Location: Hagerstown, MD Posts: 19	5.0 idle help hey need some advice on an idle problem stock maf and injectors, 02s are cut cuz they are bad i have new ones but idk if its really gonna make a difference on this... start it up on a cold start it starts up perfect fires right up but wont keep an idle....i have a bcam usually idles around 8-1 but after i rev it until it keeps an idle it only keeps at about 500-700...any ideas ??? thanks

November 2nd, 2009, 01:47 PM	#2
spoulson Newbie 1990 Mustang LX 5.0 Join Date: Aug 2009 Location: Middletown, DE Posts: 46	So you're running with O2 sensors disconnected? You need them. __________________ 1990 Mustang LX 5.0, Edelbrock heads w/ rr, TF intake, AFM power pipe, AFM N-4, 30# inj, MAC headers/catback, AL driveshaft, 3.55 gears

November 2nd, 2009, 03:07 PM	#7
flyin ryan Hardcore Enthusiast Join Date: Jun 2008 Location: NJ Posts: 1,176	o2 sensors tend to help with the overall tune of the car so those bad o2's and lack of might be most of your issue if not all. __________________ 91 gmc syclone - not stock, money maker 90 lx - turbo, bolts ons etc 88 lx hatch - tons of bolt ons and daily driven 02 zx12r - dyno'd 197 to the wheel http://i44.tinypic.com/2qlws5c.jpg

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November 2nd, 2009, 01:55 PM	#4
89lx4life Newbie 1989 Mustang LX Join Date: Nov 2009 Location: Hagerstown, MD Posts: 19	yeah because they were bad but i have new ones so go ahead and put the new ones on here in a minute and post and let ya know if it helped ? thanks

November 2nd, 2009, 02:04 PM	#6
89lx4life Newbie 1989 Mustang LX Join Date: Nov 2009 Location: Hagerstown, MD Posts: 19	appreciate it

November 2nd, 2009, 11:33 PM	#8
89lx4life Newbie 1989 Mustang LX Join Date: Nov 2009 Location: Hagerstown, MD Posts: 19	thanks man hookin the new 02s cleared it up

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