P0304 from OBD II for 96 SL2, 85k mileage

Discussion in 'Saturn S-series' started by Simon, Jul 12, 2005.

  1. Simon

    Simon Guest

    The SES was on and off one day ago, nothing special on the car. I
    pulled it to Autozone to read the code out, it was P0304. One misfire
    was detected.

    Two years back, I had same issue and had probably three out of four EGR
    valves replaced in a shop. And also rewire the spark to 0.04.

    Last time, when I did the oil change, I was recommended to replace
    Valve Cover Gasket. Could this be related? I was told to perform
    flushing engine as well.

    And I think this is probably a minor issue to the car, no need for fix
    right now (till this weekend)?
    Simon, Jul 12, 2005
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  2. Simon

    Bob Shuman Guest

    4 EGR valves? Huh?
    Bob Shuman, Jul 13, 2005
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