xtremelude94

I just replaced my stock throttle body with a blox 68 or 70mm throttle body i cant remember which. Anyway i put it on and it wasnt working right. I had my one buddy come over who also has a lude he said he ran into the same problem and that the problem was i had a stock tb gasket and that i needed a custom one that covers the one port causing a vacuum leak. He had an extra one so he gave it to me. I put it on and at first it starts and it idles around 1200. Then after about 5-10 seconds it goes up to about 2 grand. Then about 20 seconds later the idle starts bouncing and i cant figure out what wrong. Please help i really dont wanna have to put the stock tb back on and my car has already been in my garage for a week.
Thanks

rpwolf

what tps sensor are you using? and did you calibrate it?

xtremelude94

the blox throttle body came with a new tps sensor. And no i did not calibrate it. I didnt know you had to or even know how

rpwolf

i dont know if they come pre-calibrated but it wouldnt be a bad idea to check.
~.5v to ~4.5 WOT
youll need a multimeter btw

did the idle change/get better after changing the gasket?
you could always make your own. purchase gasket material from your local auto parts store and get a sharp blade (razor, exacto-knife)

xtremelude94

yea thats what he did. He gave me one he made out of gasket paper. The idle did get alil better when i changed the gasket but i never left it running long enough to tell with the stock gasket. When i had the stock gasket on there it idled so high i always had to turn it off so never had time to see if the idle would start bouncing shortly after that.

xtremelude94

i have a picture of the gasket he gave me if u want me to send it to u. I dont know how to upload pics on here

minilogoguy18

Put the stock one back on and save the other for when you have either a different IM or get your stock one port matched to the TB because you aren't helping performance other wise.

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xtremelude94

granted its not much but u cant say im not helping performance otherwise. Im boasting my car in less then a week. tb one of those parts that doesnt add much but the more u do to ur car the more it adds. i just want this **** running normal with the aftermarket tb. just looking for some advice cause im sick of ****in with it so thanks but ur not helping. I bought it i just want the thing to work god damnitt! lol

rpwolf

are you using the coolant lines? any CEL codes yet?

xtremelude94

Been a couple days since I last messed w it but don't think there is a cel. The new tb jus came w a bypass for the coolant line