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  1. M

    DTC 113: IAT voltage high ( please help )

    What was the part number of the new sensor you installed? The link you posted has many different MAP/MAT sensors on it. You want Volvo p/n 3859020. If you bought something cheaper then $300, save the original one. You will probably need it. But wait, there's more! The DTC 0113 is telling you...
  2. M

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    I recommend that you repair the trim sender. Especially with Axius a lot of these systems are inter connected and a fault in one system can have cascading effects in other systems. Like disconnecting the warning horn, the PCM know this and will do all sorts of things to try and protect the...
  3. M

    VP 350 V8 Warning Light (Regal 28 Express)

    I think you have made a good decision to have the engine scanned, It should provide you with some peace of mind. I recommend that you ask your service provider to give you a print out of the scan that includes any codes found and the freeze frame data associated with them. Also ask for a print...
  4. M

    VP 350 V8 Warning Light (Regal 28 Express)

    Sorry to take so long to reply. It is possible the excessive trim could cause this problem. If the ECM interpreted the knocking U-joints as massive misfire then that could set a code and trigger RPM reduction. If that was the case, RPMs would come back to normal with a key off and restart. The...
  5. M

    VP 350 V8 Warning Light (Regal 28 Express)

    I would need to know what engine you have. Engine serial number is best. What software package is in the computer determines warning horn, light and RPM reduction. Volvo built more than a few V8-350 models. Probably not due to trim. But will need serial number to be sure. Software and severity...
  6. M

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    A few random thoughts on these engines: The trim sender can be important on these packages, suggest you repair it. Don't disconnect the warning horn on these engines, it will open a whole new can of worms. This engine has three 5v ref circuits. A, B and C trim sender is on circuit C. This...
  7. M

    2002 Volvo penta Gxi 5.0 beeping issue

    Glad you got it.
  8. M

    Axius Gen1 boat personality file

    I’m guessing on what is happening here. Cobalt was purchased by Malibu boats a few years ago. Sometimes when this happens, the new owner takes this opportunity to destroy a lot of the documentation of models that they will no longer build. This gives them an easy answer when owners who purchased...
  9. M

    Axius Gen1 boat personality file

    I’m not going to be much help here. I worked on very few Axius equipped boats. When MerCruiser first started offering this was when the dealer I worked for went to almost all Volvo. We only ordered a couple Axius boats for customers that just had to have Mercury power. I attended the bare...
  10. M

    What is this port?

    They are for the floor drains. They are plastic and can crack. Chris Craft supplied us with chrome plated bronze thru hulls after a few boats sank back then. The rubber flap helps with large amounts of water when backing up, but doesn’t do much for small amounts of water. Suggest you inspect the...
  11. M

    Difficult Fault codes

    Would need a serial number. Pic doesn’t look like a 5.3
  12. M

    V8 300 will not start showing fault MID 128 SID 5 FMI 14

    I feel your pain. It was once my job to have to tell people that, not fun. But, as I also told them. If you find that one place that can get you in tomorrow. Might want to stop and think, what is it that everyone else knows about this dealer that they aren’t as busy as everyone else? If you...
  13. M

    V8 300 will not start showing fault MID 128 SID 5 FMI 14

    Hard to say without knowing the engine serial number and because this is coming up as an MID 128 code, it is probably being displayed by the EVC system. So need to know what EVC system it's using. The EVC generated display won't show all codes, so it's always best to connect a scan tool to the...
  14. M

    2002 Volvo penta Gxi 5.0 beeping issue

    Here is a little summary of how the knock system works. This is some of the knowledge that trained techs learn. There are 2 different systems for modifying spark advance based off of knock sensor input for Volvo Penta MEFI 4 engines. The first is the knock system. It is active above idle after...
  15. M

    2002 Volvo penta Gxi 5.0 beeping issue

    im not sure what you mean by “can’t generate a signal”? Where in the manual did it ask to check the signal? what was the ohms? why are you buying a new connector? did it test bad? I have no idea if Amazon parts will work. I’ve had too many bad experiences with them to even think about them if...
  16. M

    Can Silent Shift be adjusted?

    It sounds like your shift linkage is adjusted right but maybe your throttle linkage might not be. Have you contacted your dealer about this? Most dealers who sold you the boat are happy to make adjustments like this for free.
  17. M

    Mystery Engine Alarm

    This is an easy and also complicated question. Easy answer is --- anything from the fuel in the tank to the propeller. Yes bad fuel or bad fuel delivery can cause an emissions fault. A badly damaged prop can also, as can anything in between. Crankshaft, pistons and or rings, any one of the 3...
  18. M

    Mystery Engine Alarm

    I have seen some weird things from Chaparral gauges. One of the last boats I worked on was a Chaparral with the trim gauge not working. Boat one month old, all the other gauges working. Troubleshot it down to the tachometer! Don't know what the flashing numbers mean, if they mean anything. Might...
  19. M

    SPN 701 FMI 3 Check Engine Alarm

    Thanks for the link, had never seen that before. I did very little work on Indmar products. I didn't check to see if it's right for other codes, but it works for this one. Might be something a guy like @alldodge would like to copy to his comp? Sorry, but disconnecting the sensor will set this...
  20. M

    SPN 701 FMI 3 Check Engine Alarm

    Thanks for the serial number, makes this much easier. I'm interested in where you found the SPN 701 FMI 3 to DTC 1511? I had to dig deep into one of my Volvo student handbooks to find that. EGC Diagnostics manual #7749393 covers troubleshooting for this code. Unfortunately they are using a...
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