Search results

  1. T

    1997 Mercruiser 4.3 LX not running steady steady at idle or higher RPM's

    I unplugged the tack, but didn't help. I already sprayed around the carb, but didn't see any changes. Probably going to pull the carb again.
  2. T

    1997 Mercruiser 4.3 LX not running steady steady at idle or higher RPM's

    Spark it good on all of the plugs.
  3. T

    1997 Mercruiser 4.3 LX not running steady steady at idle or higher RPM's

    Thanks. Its a TB4. My boat is 97, but the engine itself may technically be a 96, so I didn't ground the pur/wht wire. I was thinking about recleaning the carb. I tried to get to everthing as best I could. I didn't change out the accelerator pump ball valve since they peened the body to hold in...
  4. T

    1997 Mercruiser 4.3 LX not running steady steady at idle or higher RPM's

    Thanks for the input. Tried setting the timing also, but it is jumping around. Also, I only have a single timing notch to match time timing mark to. Wasn't sure if that would be the 8 btdc setting, or if I need to spend more on a different timing light. I'll try disconnecting the tack and...
  5. T

    1997 Mercruiser 4.3 LX not running steady steady at idle or higher RPM's

    Hi, I have a 1997 Mercruiser 4.3 LX Gen+ starts fine, but when at idle or at higher RPMs the engine does not run consistently smooth and the RPMs will waiver. Seems like I tried everything but still having the same problem. Checked gas for water Replaced fuel filter Disconnected from main tank...
Top