Dr.Boost

Wow, that is very low. It should be ~.45ish at idle. I don't know if I would trust the AFC though. I could never get an accurate reading from mine. It was always different then checking with an actual meter at the TPS. I don't think the IACV will affect anything above the 6500rpm you say this is happening, so I don't know what to tell you.

BTW, are you getting that reading when the car is running or when the key is on, motor off? Do you have that VAC diaphram that gives it gas when the VAC is low? That will ---- your readings up.
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RENR

you guys are genius *** bitches . it was the tps.i dont have a voltmeter so i was just going by the afc. i unscrewed the tps and moved it a little so it would it at .46 and took it for a spin. it was hauling ***, then after about five minutes it started to bog again an i checked the voltage it was at about.55 so i gues it moved. im giving up for today though ill fix it tomoro.
i owe all guys some beer. thanks :P

RENR

hey dr boost. i cant pm you for some reason. any ways i measured the voltage again. at idle when the car is runing the voltage is .45-.47 and with the car off but the ignition on its .5-.52 ? the vaccum diaphram you mentioned is diconnected.what voltage should go by? thanks

Dr.Boost

Hmmmm.....most people measure it with the motor off. Did you remove the VAC diaphram or just unplug it? If it's just unplugged it is going to press the throttle slightly open.

I think as long as the TPS is in the area of .45 it should be fine. Did you use a Fluke this time or are you still using the AFC for readings? I don't think they give an accurate measurement, at least not for me.
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RENR

the diaphram is gone completely. ya i measure with the afc. hmm ill try getting a voltmeter tonight. i cant beleive that little POS is causing all this.

RENR

i readjusted the tps and took it for a spin, and well its still bogging like a lil bitch.i dont know what else to do. do you guys think maybe the ls throttle body is too big for my setup? i just dont know what else to check

terdbird

do you have your old throttle body? its a pretty easy process to swap to the old one... the new manifold opening is prolly bigger, so it wont bottle-neck... try that? maybe the tps on he old TB is better than the Z6 one?

y49crxsi

Well, teh a6 tb wont work on the z6 manifold, and he said he is using all the a6 sensors instead of teh z6 ones, except for the iacv. YOu didnt happen to maybe damage the injectors or anything while swapping over. Coulkd be anything.

RENR

i really hope its not the fuel injectors. the car does feel ok up until past 5.5k or so. then it bogs like ----. ill try the old tps again too. i thinking of taking off the entire manifold and doing it over. dam i hate this ---- mang .

hoggy

Could the TPS voltage affect the AFC settings? Kinda shooting in the dark here since I don't know much about AFC's but doesn't the afc read TPS voltage to know when to change maps? Maybe you should reset the AFC.