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car's knock sensor alarm keeps going off

Posted by dxr, Jul 13, 2006

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  1. dxr

    dxr Proven Member

    10
    0
    Joined Apr 16, 2005
    Houston, Texas
    Hey all. I've gotta 1998 GST spyder auto with EVO III Turbo upgrade, and all fuel components, downpipe, exhaust, greddy intercooler kit with DSMLink. I've made my original boost gauge read knock %. Well, I raced an SRT4 and got walked like a newborn puppy... anyway, during the race, i ddin't realize i was already in "D" then shifted to "N". I let off the gas as soon as i realized i wasn't accelerating and the car died. I was already near home so i just started it back up and drove home. I didn't notice that anything was wrong until i drove it to work the next day. On city roads, it's okay but when I get on the hwy, my "knock gauge" keeps climbing and DSMLink turns on the CEL after 5% of knock and turns it back off whenever the knock % gets below 5%. I can't even drive past 60 w/out it starting to knock...t hen i let off the gas and everything's okay... as soon as i start to accelerate again, a few moments later it'll knock some more! I love this car but if it keeps giving me problems... it's up for sale... please lemme know what's wrong with it guys!
     
  2. Ultimatedsm

    Ultimatedsm Probationary Member

    824
    26
    Joined Apr 20, 2005
    Scarborough,
    Either tighten the sensor or if you have over 60K on your car, replace the sensor.
     
  3. GVR4592

    GVR4592 Proven Member

    4,305
    68
    Joined Oct 2, 2004
    Bellingham, Washington
    How high did the engine rev when it was in neutral? I think you should read the Dsmlink manual a few times. You don't seem to have a good grasp of knock and how Dsmlink displays it. Does the engine run rough? Can you hear the knock or are you just going by Dsmlink? Are there any other symptoms?
     
    GVR4592

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  4. dxr

    dxr Proven Member

    10
    0
    Joined Apr 16, 2005
    Houston, Texas
    wow exactly 14 years to the DAY and this car is sitll not running yet haha. soon though! soon.
     
  5. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

    6,886
    3,045
    Joined Nov 14, 2013
    Independence, Kansas
    Did you ever figure out the knock problem? Was it a rod bearing from over revving in neutral?
    Just thought I'd ask so there is "closure" to the thread.
     

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