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Thread: Fuel Pressure Regulator

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  1. #1
    Member Since
    Jun 2002
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    2001 Ebony S/C #1304
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    Quote Originally Posted by Chopper View Post
    0177 has done this, very mildly (50 or 100 rpm) very occasionally, since the day it was born. A light stab on the loud pedal ends it pronto.
    Funny you say this because this has been my "quick fix" for this until I replace some guts. Unfortunately, it did not work for me this weekend. On start, the engine instantly revved and idled at 2500. AFter about 3-5 seconds, it would drop to about 1500 and rev right back up to 2500 again. Rinse and repeat a few times. Typical rev on startup, but it has never revved so high. I pumped the accel once up to about 3k, which usually kicks it in to acting normal, but strangely enough, it stayed at 3k. I hopped out real fast and look under the hood to see if the throttle cable was sticking, but the throttle body and cable were fine. I gave the TB a rev by hand and it still continued at 3k. Hated to do it, but I let it stay there for a few more revs before it finally gave in and stalled. I didn't want to hot cut the ignition. I turned it back on about 10 minutes later and it was fine. Turned right over too.

    Needless to say, she stayed in the garage all weekend. I don't need to wear this problem thicker than it already is. I have enough parts on my "to do" list already.
    Gary Noonan
    '01 S/C VX / '18 Forester XT

  2. #2
    Member Since
    Jan 2005
    Location
    2001, Ebony Black, 1153
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    I did the FPR swap and Idle Control Valve cleaning last night, and the VX now idles and drives A LOT more smooth! Probably as smooth as I have ever experienced. Pics will follow tomorrow probably. I hate to admit this but everything went smoothly except that at first I was turning the back bolt the wrong way because it was facing the firewall and I didn't stop to think about which way to turn it, but I got it off after I realized I was trying to tighten it at first and then I just replaced both of those allen head bolts with some 12mm spares bolts from other VX projects and it looks good as new, and more importantly runs better than ever, literally!

    Oh and the Idle Control Valve was pretty black in there, but it is spotless now
    Last edited by LittleBeast : 12/08/2008 at 11:04 AM

  3. #3
    Member Since
    Jun 2007
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    2001, Proton
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    still waiting

    on post and pics about the fix

  4. #4
    Member Since
    Jan 2005
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    2001, Ebony Black, 1153
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    Quote Originally Posted by circmand View Post
    on post and pics about the fix
    Dang! I am so sorry! The only photos I have right now are there:



    Which probably don't help too much, but those are the part numbers and GM reference numbers that LDub wanted and a pic of the part. What other pictures did you want?

  5. #5
    Member Since
    Apr 2004
    Location
    2000, Ebony, VX, 0370
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    circmand,
    I'm not sure which pics you're waiting on, but the link that LittleBeast listed above of Dino's fuel pressure regulator replacement how-to is excellent. I used Dino's step by step when I replaced my regulator and everything went off without a hitch.
    "The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong, it usually turns out to be impossible to get at or repair."
    -Douglas Adams, Mostly Harmless

  6. #6
    Member Since
    Jun 2007
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    2001, Proton
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    She posted the link on 12/1

    and in a later post on 12/8 she mentioned she would post pictures. I assumed she meant additional pictures since it was after the post. I was not meaning to be critical I just was reminding her just in case like me a lot of times she just forgot.

  7. #7
    Member Since
    Apr 2004
    Location
    2000, Ebony, VX, 0370
    Posts
    2,503
    Thanked: 12
    Sorry, I wasn't being critical because information is what this site is all about. I just wasn't sure if you where waiting on pressure regulator pictures or pictures of the idle control valve.

    Oh, and LittleBeast is a dude. One rad dude I might add.

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