Profec B spec 2 not controlling boost

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Old Jun 9, 2007 | 08:43 PM
  #1  
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From: st paul, mn
Default Profec B spec 2 not controlling boost

I have all the vacuum hoses on the actuator hooked up and the profec is powered. no matter what setting i use its just running off the wastegate spring. This is a new controller I bought from First State around Jan. I tried taking the hose off the main unit and blowing into nipple and could not get the solenoid to click. HELP!
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Old Jun 9, 2007 | 08:46 PM
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From: st paul, mn
Default Re: Profec B spec 2 not controlling boost (batboyvaj)

anyone know any other ways to test this thing? I never had a problem like this with my last profec. plus the wires popped out of the harness controlling the valve unit (solenoid) coming off the valve unit is red and black, coming from the profec is green and white. which goes to which?


Modified by batboyvaj at 6:09 AM 6/10/2007
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Old Jun 10, 2007 | 04:04 PM
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From: st paul, mn
Default Re: Profec B spec 2 not controlling boost (batboyvaj)

help?
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Old Jun 11, 2007 | 09:39 AM
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Default Re: Profec B spec 2 not controlling boost (batboyvaj)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by batboyvaj &raquo;</TD></TR><TR><TD CLASS="quote">. plus the wires popped out of the harness controlling the valve unit (solenoid) </TD></TR></TABLE>

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by batboyvaj &raquo;</TD></TR><TR><TD CLASS="quote"> no matter what setting i use its just running off the wastegate spring. </TD></TR></TABLE>

hmm. well if the wiring is not connected how do you expect the solenoid to function. it is an electronic boost controller so wiring is probably pretty important.
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Old Jun 11, 2007 | 09:57 AM
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From: st paul, mn
Default Re: Profec B spec 2 not controlling boost (dpetro1)

it is connected. i soldered the wires directly together. and have checked to make sure there was continuity
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Old Jun 11, 2007 | 10:00 AM
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From: Tracys Landing, MD
Default Re: Profec B spec 2 not controlling boost (batboyvaj)

ok well are you sure the EBC is actually on. when the solenoid is off the display still functions and reads boost. make sure the HI or LO is in the top left corner. also double check your vac lines against the greddy instructions. http://www.greddy.com/img/PHP/products/pdf/682.pdf
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Old Jun 11, 2007 | 01:28 PM
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Default

I'm still having a similar issue with my avc-r.. please be sure to post answers to this when u figure it out.
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Old Jun 12, 2007 | 07:53 PM
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From: st paul, mn
Default Re: Profec B spec 2 not controlling boost (dpetro1)

yes the controller is on and everything. I can change settings and all. I called greddy and they told me to send it back. so I guess we'll see
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Old Jun 13, 2007 | 05:51 AM
  #9  
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From: Tracys Landing, MD
Default Re: Profec B spec 2 not controlling boost (batboyvaj)

what are your settings? any you are positive the vac lines are correct? i only stess this because i feel like the profec b gets a back rep as being a crappy controller when really its user error a lot of the time.
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Old Jun 13, 2007 | 09:23 AM
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Default Re: Profec B spec 2 not controlling boost (dpetro1)

maybe the solenoid **** the bed if everything else is hooked up properly.
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Old Jun 13, 2007 | 10:31 AM
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Default Re: Profec B spec 2 not controlling boost (twkdCD595)

out of the 3 profec b 2's i have installed, i have removed all 3 for issues. never found out what was wrong, lost faith in greddy for boost control. we had a few threads a while back on this stuff. check the archives.
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Old Jun 13, 2007 | 11:48 AM
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Default Re: Profec B spec 2 not controlling boost (boostedcivicsir)

Yep, there have been a few threads... I personally have had the solenoid die on my profec within a few months of getting it installed. I replace the greddy solenoid with a perrin solenoid and did not have any more problems after that. The greddy solenoids are extremely overpriced btw.

I have since changed to the type-s and I shall see how think one holds up.
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