"MIL/Check Engine Light" smog check failure in 1989 Volvo 760 Turbo

Discussion in 'Volvo 760' started by mot12345, Jun 29, 2006.

  1. mot12345

    mot12345 Guest

    I just had a smog check of my 1989 Volvo 760 Turbo (Intercooler). All
    was fine except that the
    "MIL/Check Engine Light" check FAILED.
    Apparently my MIL light is always off, which I had never noticed.

    Any idea what is involved in fixing this, what costs to expect?
    (Assuming it's not just a broken bulb, which I'm told costs about $50
    to fix.)

    Thanks for any advice and information.


    P.S.: I do have a broken tail light and the service light is on, too,
    but I'm guessing that those two are unrelated to the MIL light.
    mot12345, Jun 29, 2006
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  2. mot12345

    Mike F Guest

    Only the 1989 non turbo 4 cylinder Volvos had the check engine or MIL
    light. The turbo (and V6) engined cars didn't get the MIL light until
    1990 model year.


    Mike F.
    Thornhill (near Toronto), Ont.

    Replace tt with t (twice!) and remove parentheses to email me directly.
    (But I check the newsgroup more often than this email address.)
    Mike F, Jul 5, 2006
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  3. mot12345

    mot12345 Guest

    Thanks, Mike.

    I also found this out the difficult way. I took the car to my
    mechanic, who called me later, somewhat baffled. He said he had pulled
    out the wiring chart and found that there is no MIL light on this
    model. I then went to the Department of Motor Vehicles with this
    information, and got absolutely nowhere whith them. So I went back to
    the Smog place (after I got a letter from my mechanic), and they redid
    the entire test (had to by law), and passed the car.

    mot12345, Jul 6, 2006
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