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werid cel light?

Discussion in 'HYBRID -> ED-EF / DA' started by david_jones001, Mar 8, 2005.

  1. david_jones001

    david_jones001 Senior Member

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    I get a check engine light whenever im in a high gear like 5th or 4th and let it come down of the rpms to like 2 thousand, the cel light comes on, then when i start the car after i turn it off, its gone, only does it if i let the rpms drop really low in a high gear, or even like 3rd gear and drop down to 1500, anyone got any idea why its doing this, i dont really care cuase i drive it normal without droping the gears so low in higher gears, but everyone once inahilw ill forget and it will do it
     
  2. bte15

    bte15 Senior Member

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    knock sensor problem is what it sounds like
     
  3. nfn15037

    nfn15037 Senior Member

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    Pull the CEL code before you shut it off.
     
  4. darien234

    darien234 Senior Member

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    Or the 02, I had the same problem do you have a cat and motor is it.
     
  5. david_jones001

    david_jones001 Senior Member

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    no cat, but i do have a 02 sensor before where there whould usally be a cat, its a ls vtec motor
     
  6. darien234

    darien234 Senior Member

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    What ecu is it a p28, yeah it might be that cat deficiency code.
     
  7. david_jones001

    david_jones001 Senior Member

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