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Vs calais weird idle

Discussion in 'VR - VS Holden Commodore (1993 - 1997)' started by ShawtyNate, Apr 16, 2013.

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  1. Apr 16, 2013 #1
    ShawtyNate

    ShawtyNate In the feels.

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    I brought a vs calais for 700$. And it has a really bad miss. It has been sitting for over a year. I dumped 3 bottles of engine flush and done 2 services on it. Flushed the old oil out. Done a cheap oil service and flushed it again then used some decent oil. It made it run alot better. What can I check to see if I can fix the idle.
     
    ShawtyNate, Apr 16, 2013
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  2. Apr 16, 2013 #2
    ShawtyNate

    ShawtyNate In the feels.

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    [video]http://i363.photobucket.com/albums/oo79/ford-xr6-ba/94DC4A4D-4139-4528-A827-CEF8DD021CA4-1300-0000009CAFA345A4.mp4[/video]

    [video]http://i363.photobucket.com/albums/oo79/ford-xr6-ba/85619F45-6AA8-425E-B418-0C67586F9907-1300-0000009B5B352F68.mp4[/video]
     
    Last edited: Apr 16, 2013
    ShawtyNate, Apr 16, 2013
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  3. Apr 16, 2013 #3
    tavrin

    tavrin New Member

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    + Checked the error codes?
    + Does it do the same thing if you hold the throttle open slightly? (~2000rpm)
    + Changed plugs ?
    + Checked leads resistance and checked for any corrosion on the coil pack posts?
    + Replaced fuel filter? maybe there might be some crap stuck in it, starving the engine of fuel

    Hope those help you out.
     
    tavrin, Apr 16, 2013
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  4. Apr 16, 2013 #4
    K-BAGZ

    K-BAGZ De Plane! De Plane!

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    Ignition and fuel system check. Check engine management system also.

    Clean throttle body and IAC valve. Check for oil residue in plenum runners for 5 and 6 cylinder, PCV valve could be fingered.
     
    K-BAGZ, Apr 16, 2013
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  5. Apr 16, 2013 #5
    jgtoranalc

    jgtoranalc Member

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    change Plugs, Fuel Filter and make sure Battery is charged
     
    jgtoranalc, Apr 16, 2013
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  6. Apr 17, 2013 #6
    ShawtyNate

    ShawtyNate In the feels.

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    Cheers for the replys. When I rev past 2k. It makes a pssst noise. Will go buy a fuel filter today and cheap plugs and leads.

    Checked error codes. Nothing.
     
    ShawtyNate, Apr 17, 2013
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  7. Apr 17, 2013 #7
    K-BAGZ

    K-BAGZ De Plane! De Plane!

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    Sounds like an exhaust leak by what you just said.
     
    K-BAGZ, Apr 17, 2013
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  8. Apr 17, 2013 #8
    ShawtyNate

    ShawtyNate In the feels.

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    When you rev it soon as you rev it. It goes psss
     
    ShawtyNate, Apr 17, 2013
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  9. Apr 18, 2013 #9
    ShawtyNate

    ShawtyNate In the feels.

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    Pulled plugs out. There are 3 kind of plugs on it. 1 Igk iridium3 Bosch super plus and 2 platinum fusion. Haha
     
    ShawtyNate, Apr 18, 2013
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  10. Apr 19, 2013 #10
    A.C.COOKIE

    A.C.COOKIE Member

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    Firstly I would make sure your plugs are the same and then as Kbagz said check your IAC I had a vey similar problem and it was from years of **** built up in the Idle Air Control Valve so I got some carby cleaner and blasted the **** out of it and havent had the problem since
     
    A.C.COOKIE, Apr 19, 2013
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  11. Apr 19, 2013 #11
    A.C.COOKIE

    A.C.COOKIE Member

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    sorry forgot to mention that the IAC valve wont regester a fault code (well it didnt in my vr exec)
     
    A.C.COOKIE, Apr 19, 2013
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  12. Apr 19, 2013 #12
    ShawtyNate

    ShawtyNate In the feels.

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    Yep. Buying plugs today. And I'll get some carby cleaner now
     
    ShawtyNate, Apr 19, 2013
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  13. Apr 22, 2013 #13
    ShawtyNate

    ShawtyNate In the feels.

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    I replaced the plugs. Now it's even more of a miss. It has me stuffed.
     
    ShawtyNate, Apr 22, 2013
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  14. Apr 22, 2013 #14
    A.C.COOKIE

    A.C.COOKIE Member

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    Have you checked to see if there is a air leak around the injectors/rail there could be a faulty seal causing this also check the dfi plate under the coil pack unit as A mate had a similar problem and there was a build up of crap on the plate which was causing it to heat up and screw with the ignition and check to see if the plug that plugs into the dfi has any pin corrosion as this will cause a miss aswell. One of the biggest problems with the connection was the plating that commodore used on the pins and this would cause bad connection.
    But i would have figured if it was a dfi or coilpack problem it would have registered a code but check that connection anyway easy to do and now and then they can do with a clean anyways
     
    A.C.COOKIE, Apr 22, 2013
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  15. Apr 22, 2013 #15
    K-BAGZ

    K-BAGZ De Plane! De Plane!

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    Check the rest of the ignition system as above.

    Could even be a slighty stretched throttle cable.
     
    K-BAGZ, Apr 22, 2013
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  16. Apr 22, 2013 #16
    ShawtyNate

    ShawtyNate In the feels.

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    Ok will do now. Thanks guys.
     
    ShawtyNate, Apr 22, 2013
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