Boost problem when shifting above 4k
Call me gramps!
Joined: Jul 2003
Posts: 2,334
Likes: 0
From: Detroit, MI
Originally Posted by Xeros
problem solved. Well my problem has been solved let this be a sticky....Here is what I did. I took off my UIM....I noticed that my turbo control solenoid (the one on the LIM) vacuums hoses were being sqeezed off becasue they had a 90 degree bend in them. going from the solenoid that sits on the LIM to the rats nest. So I took em off and replaced them with somelonger ones that bent in such with out squeeziing the air off. I then proceeded to make my boost controller nipples a bit larger becasue I wasn't able to let enough air pass through last time around to get the primary turbo down to 10 psi. After a couple of test drives I adjusted my valves to a pervfect 10 -9-10 pattern. When I shift the PSI now keeps at 10 psi with the second turbo.
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I'm sorry wha?
Joined: Aug 2003
Posts: 1,098
Likes: 1
From: Wisconsin
yes and no.....hahah...I really shouldn't be going over 4000 seeing as how I only have like 600 miles on my new engine....but it was somehting that was bothering me quite a lot and i wanted to taker care of it right away.
Junior Member
Joined: Apr 2005
Posts: 6
Likes: 0
From: Plainfield, Vermont
newbie here......i've had the same problem with my fd. boost falls off over 4k, crank angle sensor was to blame....serious problem that did not throw the check engine light, had to jump the diagnostic ground an ten pins.that gave me the code. besides that i have been in the market foran apexi power FC. is the 95-98 model ecu the same, my car is a 93 and i could get a good deal off a friend if they are compattable.
ps, hes a wuss so he wont let me just plug it in and see, hes afraind it may mess up the brain.
ps, hes a wuss so he wont let me just plug it in and see, hes afraind it may mess up the brain.
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stickmantijuana
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Sep 10, 2015 07:58 PM