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Author Topic: what is a TAC valve or motor? johnson50 ¯ Member # 4608 posted                                 i looked in the mustang book under trouble shooting for intake bakfire. it says a bad TAC motor/valve. just wondering what that is a where it is on the car. thanks for your help. -------------------- 2003 10th anniv. cobra 2.3l gen2 Whipple AED Tuned HP/TQ: too much! Posts: 256 | From: fairfield/suisun | Registered: Jun 2004  |  : BlackNGold CaliforniaFords.com Moderator Member # 655 posted                              Are you sure that's not IAC?.....The IAC is on the side of the throttle body on a 5.0.... Hopefully thats what you meant.... -------------------- -SLOWER TRAFFIC KEEP RIGHT- Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001  |  : johnson50 ¯ Member # 4608 posted                                 yes it is not the IAC, i know where that is. the book says the TAC, i think it has something to do with the thermactor something or other. thanks for your help. Posts: 256 | From: fairfield/suisun | Registered: Jun 2004  |  : Hungry Hippo ¯ Member # 537 posted                              there are a couple valves on the lines coming out of the smog pump. they are not electronic though unless it is a 96+ i think -------------------- 05 S4 Avant(wagon) 09 C6 H/C/I Posts: 2959 | From: east bay | Registered: Nov 2001  |  : johnson50 ¯ Member # 4608 posted                                 yeah, i have a 88 306. just trying to find this shitty problem i have had for about 2 months now. the car backfires though the intake and runs like crap. it idles fine, but when the throttle is pushed down about more than 25% the car hesitates, and bogs down and up and so on. i came down to just brining it to the ford dealership. if anyone has anymore answers, please, thanks! -------------------- 2003 10th anniv. cobra 2.3l gen2 Whipple AED Tuned HP/TQ: too much! Posts: 256 | From: fairfield/suisun | Registered: Jun 2004  |  : CDT ¯ Member # 5004 posted                                 TAC is themal air cleaner, thats the systme that pulls warm air in from the exhaust manifold when the car is cold. your problem sounds like a posiable TPS defect. -------------------- Custom Dyno Tuning 510.331.0608 Home of Flat Fee Tuning For All Cars, Trucks and SUV's, EFI & Carb, SCT, AFR, Dynatech, STS Turbos, N2O Refills Posts: 1053 | From: Hayward | Registered: Nov 2004  |  :

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