 St205 Boost Issues |
 Mar 14, 2015 - 1:20 PM
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Enthusiast Joined Mar 6, '15 From Alberta Currently Offline Reputation: 0 (0%)  |
I bought a 94 Gt four wrc. It's has an aftermarket boost gauge and now that's I've owned the car for a while I'm learning and noticing something. I've read that in 1st and 2nd boost is around 8psi and afterwards it's upwards of 13. My car remains at 8.5psi throughout the gears. I checked the codes, only have one error code for wheel speed sensor. And I cleared it and still the same. Could something be wrong with the tvsv? What do you guys think, I'm new to turbo'd cars so any help will be appreciated.
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Mar 16, 2015 - 1:18 AM
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 Enthusiast  Joined Aug 25, '08 From England Currently Offline Reputation: 1 (100%) |
The only way I know to test a weak actuator is to out a known pressure into it from a compressed air line and see at what pressure it opens, IIRC the standard actuator pressure is 0.5 bar which is about 7 or 8 psi, beyond that the VSV valve does its thing, have you checked the VSV valve and the connections too it? Maybe you are running on actuator pressure only? If the VSV valve is broken that would explain the constant 8psi!
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Posts in this topic
94gt4wrc St205 Boost Issues Mar 14, 2015 - 1:20 PM
Nial Check error codes again, just because you cleared ... Mar 14, 2015 - 1:26 PM 94gt4wrc I've checked the codes a few times and the onl... Mar 14, 2015 - 5:49 PM Jmk91 I know in my buddy's Cadillac his wheel speed ... Mar 15, 2015 - 12:06 AM digs Have exactly the same issue. Think it's a weak... Mar 15, 2015 - 5:38 PM
antoine64 The vsv may have an in and out port. it may only... May 21, 2015 - 4:54 PM |
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