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  1. Fun Times

    Exhaust Riser Sensors?

    Yes they should be temperature sensors VP #3862500 (2) item number 7, https://www.volvopentastore.com/Exhaust/dm/cart_id.933678666--session_id.227251545--store_id.366--view_id.790294 Here's your engine parts catalog for you if needed...
  2. Fun Times

    2003 Chaparral 230 SSI 350 MAG

    Yes Mercruiser didn’t start using the Cam sensor until 2005 or 06 year model. It seems you’re losing 12 volt ignition power that would wake up the ECM or something isn’t right on one of the relays on engine side by ECM… Or ECM isn’t sending out its signal to wake the system up for its 2 second...
  3. Fun Times

    CONSTANT SCREACH

    https://www.perfprotech.com/blog/marine-outboard-motors/mercury-marine-smartcraft-and-guardian-system-warning-horn-alarms https://www.simonperftech.com/products?active=ecu_repairs
  4. Fun Times

    Mercruiser 3.0 MPI ETC, Oil pressure sender issue? I can't find it.

    Merc part number 90-899883197 is Mercruiser Service Manual #46 that covers the 3.0 TKS & 3.0 MPI... https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2334524.m570.l1313&_nkw=90-899883197&_sacat=0&LH_TitleDesc=0&_odkw=I+90-899883197&_osacat=0 I don't believe there's anything online at "no...
  5. Fun Times

    Mercruiser 3.0 MPI ETC, Oil pressure sender issue? I can't find it.

    You have 2 fuel pumps... 1 is mechanical (your photo) for low psi and the other is electrical for high psi... Item numbers 6 and 10, https://www.mercruiserparts.com/bam/subassembly/30916/13809/60 Here's the inside of the high psi pump...
  6. Fun Times

    Mercruiser 3.0 MPI ETC, Oil pressure sender issue? I can't find it.

    Because you have no beep at first key up like normal on an MPI engine would indicate you have lost 12 volt power most likely to the ignition circuit which should be pointed to purple wire you may see off the back of the key switch or maybe the red wire there too but doubtful because the engine...
  7. Fun Times

    Which way does a Mercruiser MIE 260 distributor spin?

    Take notice of the distributor gear of item number 11 is only one part number in your link… Then look over the Cam sprocket gears items 11 & 12 for each Direction seen here...
  8. Fun Times

    Intake resonator for 6.2 MPI

    This option sounds like it’s a bit newer so it would probably depend on what year model the boat/engine is and engine serial number to help locate a parts diagram if you don’t happen to have a photo of your engine… The throttle body intake flame arrestor should be toward the rear of the boat and...
  9. Fun Times

    2002 Mercruiser 350 Mag MPI showing high temp and engaging guardian system

    Thanks for the serial number as it helps find the right engine model you're working with especially since 2002 was right near a big transition year of engine model change. With the help of the serial number, it shows your engine does not have the fuel pressure sensor i believed your engine to...
  10. Fun Times

    2002 Mercruiser 350 Mag MPI showing high temp and engaging guardian system

    Have you been able to verify the engine is actually overheating still especially when the beeping is happening? What does the Temp gauge read?... Search online "infrared temp gun" which this tool would also help tell you what the engine temperatures are too. Bear in mind that there's also a...
  11. Fun Times

    What size is this Mercury

    Serial number 06559120 suggests the engine is a 1984 MERCURY 75 (ELPT) (4 CYL.) Model Number 1075624...,https://www.mercruiserparts.com/75-4-cyl--6432901-up
  12. Fun Times

    serpentine belt number

    Year of boat?
  13. Fun Times

    Trim pump hoses

    If the link still holds, here should be your transom parts, https://www.volvopenta.com/shop/999222?accessories=&categories=&freeText=&offset=0&partNumber=3868844&product=TSK SX-M&serialOrProductNumber=4111632972&size=10 Here should be your lines item 9 and 10...
  14. Fun Times

    serpentine belt number

    Need a engine designation number to help get the correct parts going… 4.3 GL??? Number as an example… Should be a I’d type sticker on the engine somewhere.Some info here, https://www.volvopenta.com/en-us/service-and-support/your-engine/find-your-serial-number/
  15. Fun Times

    Trim pump hoses

    Will need your transom assembly model type / product / serial number to help locate those parts.
  16. Fun Times

    starter fuse?

    No Merc wasn't using the 55 AMP fuse on these 3.0's in 1993. Yes on the 1996 3.0LX then 1998 on the 3.0L then going to a 90 amp a few years later. https://www.mercruiserparts.com/bam/subassembly/30914/1604/0 https://www.mercruiserparts.com/bam/subassembly/30914/1604/70 It kind of sounds like...
  17. Fun Times

    Mercruiser 5.0 MPI #3 cylinder ignition miss

    Possibly you may have accidentally compromised a spark plug, plug wire or wire boot end while in there doing the manifold change out service as it’s easy to do without initial notice. Maybe try running the engine at night to see if you see any sparking light down there under the manifolds… When...
  18. Fun Times

    Gear Ratio?

    Hi there, while there are a few ways of figuring out what the gear ratio could be, one way would be usually having your stern drive serial number helps with finding your gear ratio especially if the engine wasn’t registered correctly when sold new when a Mercruiser dealer search’s the engine...
  19. Fun Times

    Mercruiser Thunderbolt V Ignition No Longer Available

    Could keep an eye on Ebay for both sometimes new and for sure used if desired…, https://www.ebay.com/sch/i.html?_nkw=861251-1&_trksid=m5467.l1311&_odkw=861251-1+Mercruiser+&LH_PrefLoc=2 Kind of rare for this item to fail like this but not impossible…Just a long shot idea is all here but maybe...
  20. Fun Times

    Serial # Assistance 7.5HP Merc

    Add a 0 in front of the A to find your info. Your number comes up as an 1985 7.5 [M] model number 1007205 https://www.crowleymarine.com/mercury-outboard/297.cfm?mdl=0IK8MS&q=1007205
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