Search results

  1. H

    Power Steering Pump Noise - Alpha One Gen 2 3.0L

    1993 manufacture date Alpha One Gen 2 3.0L I am fairly certain that I have a bearing/pump issue with my Power Steering pump. The fluid level was checked per Mercruiser specs on the fluid level with the power steering pump dipstick. It was within specs. Description of issue: The noise is...
  2. H

    Normal Operating temperature range question - Alpha One Gen II 3.0L

    I have a question involving whether this is normal or a warning sign of future engine water pump failure. First off, here's the equipment details: 1993 Alpha One Gen 2, 3.0L. Lower unit impeller change in Sept 2010, never been ran dry. (3 seasons including this one with this impeller). At...
  3. H

    Mercruiser 3.0L EST ignition, won't exit base timing mode.

    I have a 1993 Mercruiser 3.0L with EST ignition and I either cannot seem to get it to enter base time mode, or I can't get it out of base time mode. I did an initial lake test run yesterday and noticed after it warmed up, it was acting rough at idle. I ruled out fuel initially since it was...
  4. H

    3.0L Mercarb rough idle

    The first lake test after de-winterizing my boat 1.5 months ago, my idle is mostly crap at load. It gets worse as the longer you stay at idle under load, which is making me suspect flooding at idle. Also, I believe after a run at speed, it seems to idle slightly better at load until you get...
  5. H

    Random Hard start, suspecting electrical or ignition

    I have a 1993 Mercruiser 3.0L that I've been fighting for off an on for a while involving a hard start and at idle sometime dies systematically. Info update: Fuel pump failed: Replaced in April Ran rough at idle all the time and was difficult to start: Carb rebuilt. When it would idle, it...
  6. H

    1993 3.0L Mercarb idle fine tune adjustment

    After a correctly rebuilt Mercarb, I believe I've gotten the idle speed about as low as reasonably possible now without it acting like it stumbles. My question is the following: 1. What do you adjust to make warm starting easier? Before I had carb issues, it was easy to start warm or cold...
  7. H

    3.0L rough idle issues

    Brief summary: 1993 Mercruiser GM 3.0L engine. Boat ran great last year, winterized and I believe the fuel was stabilized. No carb issues whatsoever. New spark plugs were installed before de-winterization. De-winterization attempted, fuel pump failed on me. No start, primed intake with...
View older results
Top