Another Poor Idle Thread - Taurus Car Club of America : Ford Taurus Forum
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post #1 of 3 (permalink) Old 02-26-2013, 04:06 AM Thread Starter
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Another Poor Idle Thread

Hey all, I have a 2004 SES with a vulcan with 117.5k miles. I've been driving the car for just under a year now and its been pretty solid and I built a CAI for it maintaining stock distance between MAF and manifold. With the intake it has pulled strong and quite frankly sounds mean (love induction noise). Anyway, about a month ago (two months after CAI install) I've been having some odd problems and a thrown CEL. I have a high idle on cold start 1750, normalizes to 1000 after about 15/20 sec and will occasionally bounce between 600 and 900 once warm, including at lights and it has stalled under light load 3 times in 2 months. Also, I have been experiencing a light surging under constant but light load. The confusing thing to me is how it has idle issues yet has great top end pull. Any help is appreciated, Sorry for the long first post...
Thanks Guys!!!
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post #2 of 3 (permalink) Old 02-26-2013, 09:51 AM
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What are the code or codes that triggered the CEL? Without the exact codes, in the order they appear, we cant be of much help.

05 Taurus SEL Duratec - my daily driver
04 Taurus SES Duratec - wifes car - TOTALED
06 Taurus SE Vulcan - wifes new ride
95 Taurus GL Vulcan winter car
Toy #1 - 86 Tbird 5.0 (original owner) - LOTS of mods
Toy #2 - 88 Tbird Turbo Coupe - LOTS of mods
67 Honda 450 Super Sport - completely customized
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post #3 of 3 (permalink) Old 02-26-2013, 02:57 PM
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^+1...also, did you change the size of the intake tube when making your CAI? MAF could be trying to adjust to the volume difference.

Any pics of your CAI would also help determine something possibly overlooked.

As Jeff stated, without knowing the codes, one can only speculate.

04 Taurus SES 3.0 Vulcan (gone)
03 Sable LS 3.0 Duratec (traded)
98 Contour Sport 2.5 Duratec (3 blown trannies racing)
97 Lincoln Continental 4.6 Intech (sold)
70 Yamaha Twin 250
02 Kawasaki Vulcan Custom Twin 800
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12 Taurus SEL 3.5 Duratec FWD
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