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Showing Visitor Messages 11 to 16 of 16
  1. Tom Jones
    06-15-2010 07:41 AM
    Tom Jones
    Hi there,
    I am hoping you can help me. I have a 2004 MC 197 with a GM Vortec TBI. When it is warmed up and idling in between ski sets it "stumbles" every once in a while. It almost stalls. It seems to run fine otherwise although I do notice some unburned gas in the water sometimes when it starts (hot). I have changed all the ususal tune up parts, had it on the Scanner (no codes), checked the Engine Temp. Sensor, run lots of Fuel injection cleaner, etc. I'm suspecting the Engine Temp. Sensor is faulty sending a bad reading to the ECM intermittently. Any ideas?


  2. mbeach
    11-27-2009 09:57 PM
    hey nut. please see the post on the home page about the fuel sending unit magnet. question is where is the proper location for the 2 magnets after servicing the sending unit. thanks.
  3. scottyb
    03-14-2009 05:30 PM
    Hey I was wondering if you would be able to help me out. I am building a motor for my boat. (04 x-star) and was wondering if you knew the cam specs on the stock mcx350? I Am debating on running the stock cam or going with a little bigger one. Am pretty sure it is a zz4 crate motor cam but would like to know for sure. I found some numbers on the oe cam but can't seem to come up with any matches.
    Scott B
  4. toddbern
    07-22-2008 12:20 AM
    I have an X15 with MCX and the starboard manifold overheated causing a small fire at the exhaust hose clamp which overheated the motor. MC is covering under warantee but I'm wondering if this is a common problem and what precautions I should take in furture.
  5. billservice
    06-29-2008 02:07 PM
    Hello! JimN recommended I try to reach you. "Contact EngineNut- he works for Indmar and can tell you what would cause the buzzer to sound and what to look for." I'm stumped and can't figure out why the engine alarm sounds constantly (from the time the key is activiated - "on" through the time when the engine is running. Never stops.) I have a posting under Team Help for the last few days. I had the boat "summerized" (oil change, transmission fluid change, replaced the impeller - part supplied by me). I didn't actually try to put the boat in the water until 6 weeks later and found the battery dead, no gas, and the center plug missing. I put gas in the boat, replaced the dead battery, got a new plug, and the alarm won't quit. I've checked the oil, run the engine checked heating system, oil pressure, run the RPMs up and down several times (on the trailer, in the lake). Can you help? I also checked the fuel tank area and noticed the hex-screws that hold the pump in the tank appeared loose. Light gas leakage. I tightened them up. I'm 3.5 hours from the MC dealer - boat seems fine, darn.
  6. chico
    05-26-2008 11:24 AM
    Hi engine nut,I got the scanner on the engine and noticed the spark advance guage was`nt reading,there is a dtc 42 set,when I clear the code and start the engine it imediately sets code 42,I did the I.C.switching test and open wire checks according to the mefi charts.Any ideas?thanks

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    Engine Nut
    Indmar Marine Engines
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