bcivicsi

I am having a problem with my car staying idled at 1000rpms..It wants to idle up to 2000rpms and some times fluctuates back and forth..I am running a Aem ems management system and I replaced the tps sensor and it Idled fine till I got on it then it comes back..I have made sure the ems is calibrated and that the tps is tight..Someone please help

welfare

sounds like your IAC is bad, try disconnecting it and see what happens

turbo_sir

yah def sounds like iac if tps is good

bcivicsi

Well I put a diff Iac on there too..Its stumping me cause everytime I put a tps sensor on I recalibrate the aem ems to it then when it starts to idle high again I go in the aem and look and the tps is reading something diff..Almost like its changing volages on its own..The crank angle sensor or anything in the distributor wouldnt be causing this would it?

welfare

The crank angle sensor should not be doing any of this, but let me ask you this, have you looked at the map sensor, goe into the EMS and check MAP sensor and see if it is reading your TPS voltage, IE, turn the car to the run position but do not start and then while looking at the map sensor Press the throttle and see if the map sensor voltage moves, if it does, then you have the map and the tps plugs switched because if the car is just sitting with the engine off neither the tps nor the map should change voltage.

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bcivicsi

How would that be possible if Im running a 3.5bar map?The plugs are diff.

welfare

Well I guess it wouldn't be possible then if you have a different plug/map setup it's just a common thing when people do a swap is that they mix those 2 plugs up.
Other than that I have no clue what the problem is.

Turbo&Auto

Have you tried adding more fuel around the idle area? My Accord did this, it was the ECT multiplier. When it got hotter it would lean out a lil and make the idle jump.