VIDEO: Not idling, super rough, no power

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  • lolcantturn
    replied
    Originally posted by matias88e30
    Maf? Tps?.... spray some carb/ brake cleaner in al the hoses u see to make sure its not a vaccum leak, also by the intake manifold gaskets..
    hope it helps, thats wierd tho.
    E30's dont have MAF's, I cleaned out the TPS about a month ago. How would I determine a leak from spraying the cleaner? Thanks

    Leave a comment:


  • matias88e30
    replied
    Maf? Tps?.... spray some carb/ brake cleaner in al the hoses u see to make sure its not a vaccum leak, also by the intake manifold gaskets..
    hope it helps, thats wierd tho.

    Leave a comment:


  • lolcantturn
    started a topic VIDEO: Not idling, super rough, no power

    VIDEO: Not idling, super rough, no power

    This is an M20B25..
    I've been usually able to diagnose my engine much better than when I first got the car, but this has me stumped.
    It doesn't hold idle, and if it does it holds it at 200RPM, then I give it gas past 3000RPM and the engine shuts off.
    Its SUPPPPPPER shaky around 2500rpm.
    Starting it up is awful (as you'll see in the video)
    And I basically have no power.
    I DOUBT its a vacuum leak, I put a new intake boot and my ICV's been cleaned well, if its a vacuum leak then it would sure be audible because it would have to be a major one to cause it to die so easily.
    I changed out the spark plugs, nothing.
    Not overheated, Headgasket was changed 2 months ago so I'm pretty darn sure I have good compression.


    Also, prior to this my idle was super perfect and steady at 600rpm..
    My guess is a cylinder isn't firing....but I don't know how that can be. There's no arcing between the contact points on the distributor cap
    Last edited by lolcantturn; 01-22-2011, 04:30 PM.
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