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  1. M

    Volvo Penta V6-240-CE-J(AQ) Check Engine Code

    OH and one other thing. What is your serial number? The "J" model was a transition year. Some parts different from previous years and some parts different from the next year. There was a mid year break denoted only by serial number. Would probably be good to know what side you fall on.
  2. M

    Volvo Penta V6-240-CE-J(AQ) Check Engine Code

    "not sure it provides the clarity I was hoping for" Well it did help, you now know that your engine has had. 1. cat damaging misfire 2. stage 2 exhaust overheat 3. engine coolant over temp stage 2 But the trouble is, these problems might have occurred long in the past and been corrected or they...
  3. M

    Volvo Penta V6-240-CE-J(AQ) Check Engine Code

    Your welcome. I know you don't want to hear what I have to say, but you asked. In my view it's a bad idea to run this boat at all. The EVC system was designed as a control system, so it doesn't display all fault codes. It is just showing you enough to convince you to stop using it and get it...
  4. M

    Volvo Penta V6-240-CE-J(AQ) Check Engine Code

    Scanner won't do much without the diagnostic manual # 47706663 and the knowledge of how this system works. MID 128 means the problem is originating from the engine ECM. SID 6 means there is a problem with #6 injector driver. FMI 6 means that injector is shorted internally or has a short to...
  5. M

    Guardian mode with no audio alarms

    On your engine I haven't seen any faults that triggers guardian but doesn't sound the warning horn, except PCMs that have an updated calibration to reduce nuisance horns. But I haven't seen everything! Is it possible that you're trying to exceed 3500 RPM in neutral? I'm pretty sure your engine...
  6. M

    Right Hand Prop versus Left Hand Prop - OEM versus installed

    maybe I can help you stop overanalyzing The L in your model number is part of the LK model year designation = 1996-1997 model year. The "brass keeper ring" hasn't been used in many decades, you have a SX not a 280. Cone clutch's wear out for a number of reasons. Wrong gear lube, bad shift...
  7. M

    SEI preload and a stern jack

    If the double bearings don’t slide off the gear with finger pressure, something is wrong with them or you don’t have the style that used the small inner spacer. I doubt that you have the small inner spacer because the gears that used that haven’t been available for some time. This leads me to...
  8. M

    SEI preload and a stern jack

    Something is wrong here. Did you have to press the bearings off the drive gear when you first took it apart? If this has the 2 spacers, large spacer between races and small spacer between bearings. You shouldn't have to press it apart, should just slide off. I've never checked rolling torque on...
  9. M

    O2 Sensor codes . . .

    check for 12v on orange/black wire at position D at sensor then check for ground at the other orange/black wire at position C do these checks with engine running soon after starting. This is what the manual recommends. Unplug and replug the sensor, check the fuse, swap sensors. Note; must use...
  10. M

    1994 Mercrusier 350 Mag ECT bravo closed cooling system

    This is a "SeaCore" catalyst engine. They have a fairly complicated cooling system. These engines generally require a dual water pickup. "Models operated above the 50th parallel of the Northern Hemisphere or below the 50th parallel of the Southern Hemisphere do not require the dual seawater...
  11. M

    MerCruiser update

    Sorry but I'm bad with names and faces. When I run into customers away from their boat, I have to ask "what boat do you have" before I can place them. Funny thing I've found going to the marine training. When I went to classes for forklifts and construction equipment the mechanics would talk...
  12. M

    MerCruiser update

    I don't know. But there was a 4.3 that I winterized every year since new for almost 30 years. Kept on a covered lift on one of the cleanest lakes in MN summers and an unheated garage off season. Due to the owners desires and it's remote location, most years was a quick pour down with cheap pink...
  13. M

    MerCruiser update

    Yes, you only need enough freeze protection for your storage temps. And the latest manual I have still doesn't require antifreeze. But they keep putting out service bulletins about it. I'll have to try and get my hands on a new owners manual and see if they mention it. But you need the corrosion...
  14. M

    MerCruiser update

    The only time I've meet any of them has been at Merc school. One of the engineers was part of the single point drain team. He was a smoker also so we talked during breaks. He was so proud telling me about how it was coming out next year "a real game changer" and went into great detail about how...
  15. M

    MerCruiser update

    Yes, I understand where you're coming from. And I'm not trying to force anybody to use antifreeze. Your boat-your choice. But I am asking to STOP and consider those people who are asking for advise. Telling someone with a new MerCruiser engine that they don't need antifreeze during layup is...
  16. M

    MerCruiser update

    MerCruiser has recommended antifreeze for over 50 years, The only years it hasn't been in the manuals was when there wasn't a viable alternative to ethylene glycol and the smart people were starting to realize that we can't keep F ing over mother nature. But they still recommended we use in the...
  17. M

    Volvo Penta 350 Throwing 698 & 699

    That is considered can bus. The codes you posted are saying there is something wrong with the analog gauges === that you don't have. These codes usually come up as 3 codes. temp, oil pressure and trim. Why the Diacom report is only listing 2 and one of those shows as drive oil gauge. I don't...
  18. M

    MerCruiser update

    I don't think it's so much the getting it all out. Cooling water is like engine oil. You can drain it all you want, but when you roll that engine over on the stand --- still gonna have a oil and water mess on the floor --- there is always some left. But, yes the good antifreeze will mix with the...
  19. M

    Volvo Penta update

    I thought I would post this because it's kind of a big deal. I used to do a lot of travel to preform warranty repairs. In a normal 10 hr. day, 5-6 hrs. Would be "windshield" time. When I worked for a good dealer, they would usually not charge the customer for travel time. When I worked for a not...
  20. M

    MerCruiser update

    SMC-24-03 service bulletin. Mercury Marine would like to once again stress the importance of using propylene glycol for storage of MerCruiser engines. Mercury MerCruiser engines require propylene glycol antifreeze in the cooling system for maximum freeze protection during storage in freezing...
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