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not getting boost till 4200

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Old 04-26-03, 10:41 PM
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not getting boost till 4200

not getting boost until i get to about 4000 rpm's. usually i feel it kick in about 3200 rpm's then all of a sudden it just started kicking in late. vacuum hoses and check valves are all ok. also blow off valve doesn't release as much air and is quieter.
Old 04-27-03, 12:24 AM
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Ok....so what is it that you want to buy or sell? Just kidding! I used to live in Salt Lake City also, right next to Raging Waters. Check the usual y-piping, see if there any major leaks from the turbos, check the IC hoses. In my case, on of my solenoids were bad. Good Luck.

uhmmm....This thread is in the wrong section bud. You need to place this in the 3rd Gen Specific.
Old 04-27-03, 04:12 AM
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Do you have a gauge?
If so, what does it say?
Old 04-27-03, 06:23 AM
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moving out of FS section.
Old 04-27-03, 09:08 AM
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i the same kind of problem check that your double throtle insnt staying shut.
Old 04-27-03, 10:40 PM
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don't have a boost guage. sorry kind of a newb question but where is the dobble throttle located. is it on the rest of the throttle stuff by the manifold. if it is which part of that area is it located?
Old 04-27-03, 10:51 PM
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also fogot to mention, only kicking in late in 1st gear
Old 04-28-03, 02:56 AM
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hmm....something is not telling the charge relief valve(the butterfly like thing in the ypiping) to open up. No...thats wrong...have a shop test the solenoids under the uim. If its not any of those, I hope your Primary Turbo isn't toast. Do you see any leaks?

Last edited by FD3SDUDE; 04-28-03 at 03:05 AM.
Old 04-28-03, 05:44 AM
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down load the shop manuel you will need it.
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