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  1. alldodge

    06' 496 Mag HO Duty Cycle

    First and foremost, post here are opinions (including mine). Statements of exactness without info to back it up is opinion Yes there is a normal for the IAC, its 40 counts or 40%, and can be found in manuals up to 2000 or so (below is 454/502). Later manuals many of the values, even...
  2. alldodge

    Intermittent engine alarm

    Don't have a diagram and agree your parts list indicates the 805218 This is the same sensor which is used on the MPI Might be worth a call to Merc to ask the question, or maybe muc mmight know Resistance values for sensor
  3. alldodge

    Intermittent engine alarm

    Looks like the temp sender is off The switches are based by part number
  4. alldodge

    Ignition fuse blows after Engine is warm

    That's the TKS 20 amp fuse, and the other is the TKS temp switch This is how it works
  5. alldodge

    VP 5.7GS PEFS SX Slow speed for RPMs

    Check the oil level in the drive, it has a plug in the top which is a dipstick
  6. alldodge

    Wont start ...help!!!!

    That old and thought it would run. Pull the filter and dump the contents into a clear jar, it will be yellow (if not brown) and may even have water in it. The motor once running will keep running with bad gas with motor being warmed up. Once it cools back down there just is not enough fumes to...
  7. alldodge

    Bravo 3 trim issue

    Its either the relay (solenoid) or the switch. At the relays jump the Red wire (fuse e) to the small Blue/White wire. This should energize the relay and the pump will raise the drive. If it works then its either a connection or the switch in the throttle. Mine stopped working and turned out...
  8. alldodge

    Quicksilver/Mercury 3000 throttle only button will not depress

    Watching the action shows there is partial disconnect but not full between shift and throttle. First movement shows shift moves and when at full WOT the throttle starts to move. In throttle only, part 5 needs to move out and away from part 8
  9. alldodge

    No power to fuel pump

    Howdy For this to happen more then just first start up I would question the mechanic The ECM (Engine Control Module) applies a ground to one side of the fuel pump relay. When relay closes, power is transferred to the fuel pump. Place a volt meter on the Black/Yellow wire on FP relay. Turn...
  10. alldodge

    My next rookie question - tilt/trim

    This should be in the Rude section Need to check your wiring and fuse. Here is wiring Trace the wiring with voltmeter
  11. alldodge

    Need help

    Howdy I don't have a drawing for a 131 but have it for a 125 and 140 and they have same wiring
  12. alldodge

    Quicksilver/Mercury 3000 throttle only button will not depress

    More
  13. alldodge

    Quicksilver/Mercury 3000 throttle only button will not depress

    Assuming you have the 3000 panel mount, and there are 2 designs for it There are also 2 designs for the cable controls
  14. alldodge

    98 5.7 no start.

    Sounds like the ECM is not applying a ground to the fuel pump relay. Check continuity between relay and J1-23
  15. alldodge

    Intermittent engine alarm

    The alarm should be under the helm.
  16. alldodge

    1990 Doral Ignition Power Wire Help

    If you have fuel then need spark
  17. alldodge

    Nightmare

    Timing is set by placement of distributor, timing light is not used. There is a bulletin which list a more precise method of timing, but the misfire would lean me to ignition connections and components. The motor doesn't have an IAC so the PCM is just trying to compensate what its seeing. Use...
  18. alldodge

    1990 Doral Ignition Power Wire Help

    Not the best pic on the motor side, can go to boatinfo and look at Manual 7
  19. alldodge

    Mercury Classic 3000 Throttle problem - Won't go into Reverse or Forward

    You said in the middle so I'm seeing the trailer button, which you don't have one I said item 8 but should have said item 6, but my guess is you might have figured it out once looked at the link posted Our orientation is the issue, but here is what I have been looking at, and we are in...
  20. alldodge

    89 5.7 Mercruiser Running Issues.

    It might be electrical I'm just saying folks replace good coil by the thousands every year and very rarely is that ever the issue. The motor had lots of flooding in the beginning, and with it pumping 5-7 psi the fuel pump was good. For it to flood under that pressure just means the float...
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