idle problem with straight pipes
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idle problem with straight pipes
i have a '95 f250 with a 351w and recently straight piped it. it has no cat it is true duals right off the headder flange. i knew that after that it would throw a code now and then and that dosent bother me because it only hapeens after an hour of it running. but somtimes in city driving if i sit at a red light long enough while in gear with my foot on the brake it will start to chug and idle rough (sounds like it has a radical cam) i kinda figure shes running a bit rich and i was just wondering if there was somthing i could do to get that to stop and keep my duals on it. i was thinkin a hotter ignition or better intake. just wondering if anyone else has had this problem with straight pipes
Postmaster
Joined: Dec 2007
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From: Jacksonville FL
X2 did you put the 02 back on?
Running straight pipes with no cats shouldn't give you a CEL.
I would check the codes. IMO something else is causing this problem not the exhaust.
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the 02 sensor is in its factory location right before the flange where the cat was bolted to. i made my own flange to fit that for the duals. and its not the check engine light im concerned about its the way it runs if it idles to long while in gear. at stop lights if i sit to long and do not put it in nuetral it idles rough
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Joined: Aug 2005
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From: Cleveland, TN
the 02 sensor is in its factory location right before the flange where the cat was bolted to. i made my own flange to fit that for the duals. and its not the check engine light im concerned about its the way it runs if it idles to long while in gear. at stop lights if i sit to long and do not put it in nuetral it idles rough
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