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  1. alldodge

    94 4.3l lost compression 1-3-5

    Blown head gasket, might be an easy fix with a valve job and flatness check on original motor. The 1500 motor would be a good swap
  2. alldodge

    Mercruiser Parts Shortage?

    Google is paid off IMO Use to be able to find many vendors having the part your looking for, now it only a few. Have to go thru 30 pages to get thru the places you once could on page 1, and 2 at most. Don't have prime account and never will
  3. alldodge

    Mercruiser 5.0 idles but will not throttle up

    Thanks for the S/N, doesn't list digital throttle so should be cable Disconnect the throttle cable from the throttle body (TB). Start the motor and see if it will rev up. Might be the linkage is broke If the TB opens up and there is no more fuel it should die, but yours does not
  4. alldodge

    Mercruiser Parts Shortage?

    Worst thing is shipping at Amazon. They list it will arrive in lets say 3 days. After selecting to buy, that date moves to 2 weeks. I try hard to not buy from Amazon
  5. alldodge

    Nav lights not working

    Get a voltmeter or test light. Start at the switch and ground one end of the meter/light then turn lights ON If it lights at the switch then go to the bulb If it doesn't light at the switch, then back trace to the fuse and main feed Might be corrosion on the connections
  6. alldodge

    5.7 EFI running hotter on starboard exhaust

    On a hose most all are 30 to 40 hotter In the water a bit less but still hotter Cruising, should be closer to the same As mentioned, they should not be able to burn your hand, but also may not be able to keep it there
  7. alldodge

    5.7 EFI running hotter on starboard exhaust

    Closer to a 180* stat
  8. alldodge

    92' Mercruiser 7.4 Bluewaters Won't Idle

    Can you get the idle closer to 700?
  9. alldodge

    Mercruiser 5.0 idles but will not throttle up

    What motor you working on, and serial numbers are best? Move the throttle and see if the cable is moving the throttle body or carb
  10. alldodge

    Indmar Assault Check Engine Light

    If a battery is discharged more then 50% it can be damaged. With battery switches OFF, battery charger has been turned OFF for at least 30 minutes. Put a voltmeter on each battery and see if they are close to 12.7V Might just need a new bat
  11. alldodge

    1999 454 magnum cranks but will not start

    Takes me some time to look thru the manual and respond OK it cranks but does not fire. Does fire with starting fluid. It is a fuel problem and pump isn't being turned ON The fuel pump relay is energized by the ECM by applying 12V to pin pin 85 green/white wire (coming from J2-9 on ECM). Pin...
  12. alldodge

    1999 454 magnum cranks but will not start

    Thanks its a L29 MPI Let us know how the voltage readings go
  13. alldodge

    1999 454 magnum cranks but will not start

    Need a motor serial number? Being a 99 and pump not priming its probably a MPI Get a voltmeter and see if your getting power to the key red/purple wire Turn key to ON and see if the purple wire gets power Then with key ON check for power at the coil
  14. alldodge

    8.1Gi-H Popping (backfiring?) at WOT

    The hp pump should show 50 to 60 psi and being at 50 is acceptable. Going quickly down to zero when pump shuts off is not good. It can go down slowly but should not do it fast. Pump should be rock steady and not fluctuate. Just a guess but pump appears to be leaking internally
  15. alldodge

    New engine - No Fire (Volcruiser)

    Serial number comes back as Gi-G Fuel pressure low side 8 psi +/- 4 , high side 50 to 60 psi
  16. alldodge

    Volvo penta 7.4gipefs fuel Injectors

    Send your injectors to be cleaned and flow tested https://www.boatunlimited.com/ I wouldn't buy injectors from ebay, been a whole lot of folks have gotten cleaned up used ones which didn't pass test
  17. alldodge

    92' Mercruiser 7.4 Bluewaters Won't Idle

    Thinking the voltage is either to low or not there at all when cranking.
  18. alldodge

    25Hp Prop Help

    I think you need more hp, but only thing to do is go to a 10 or 9 pitch prop. Most likely a 9P, but still don't think it will do much with a tube.
  19. alldodge

    92' Mercruiser 7.4 Bluewaters Won't Idle

    With things moving look at electrical. Remove the wires on the starter and clean them up shinny metal. Measure the voltage at the coil and see what it does during cranking and while running. Use a spark gap gauge and connect to coil
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