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start up/idle issue

444 Views 0 Replies 1 Participant Last post by  onthedwnlow
car started doin this the other day......

when i start the car up the afc will read 5% throttle and idle around 1100.......it will slowly progress down to 0% throttle and then the idle will finally drop back to 7-800.......after the first time i hit the gas and move the car the car will idle back to 1100 for a couple seconds, the afc will read 0% throttle, then it will fall back down to 7-800........then every now and again coming to a stop it will idle high again......sometimes in higher gears at lower rpms it feels like the car hangs.......the tps wires have been replaced and that is not the issue......im thinking either a tps sensor itself or the iac sensor
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