Search results

  1. B

    Mercruiser 5.0 MPI Bravo 3 overheat 5 minutes after starting it up.

    I got a 2003 Sea Ray 220 with a Mercruiser 5.0 MPI Bravo 3. The engine will overheat 5 minutes after starting it up. I have replaced the impeller and the back part of the raw water pump (where the hoses intake and out hoses go). I have replaced the thermostat as well. The first 5 minutes warming...
  2. B

    Bravo 3 not going into gear

    Need some help guys. Took the boat out yesterday was running perfect then all sudden boat stopped put it in netural and shut motor down checked everything looked good. Fired up the motor went put it in gear and it was very hard to do and motor would rev up wasn't in gear then tried reverse same...
  3. B

    Led drain plug lights

    This may not be the right place in the forum for this but I was bored on eBay and saw led drain plug lights. Anyone have any experience with them? If so what's the best color to get?
  4. B

    5.0 mpi mercruiser wiring harness question

    5.0 mpi mercruiser wiring harness question. I found a plug that was up against the manifold riser area and it was touching them. The plug is on the opposite side of the engine where the ECM is located. The harness has wires in it then goes into this plug that only has one wire and makes a loop...
  5. B

    Sea Ray dealer says I need a new ECM for 5.0 MPI

    I was just told by the Sea Ray dealer that I need a new ECM for my 5.0 MPI Bravo 3 at the tune of $1,950.00. According to them they had to bring in a mercruiser rep to look at my boat. The boat shut down while we were cruising in the lake. No spark out the coil. The rep replaced the ECM with a...
  6. B

    No spark 5.0 mpi

    I have no spark on my 5.0 mpi with bravo 3. I have replaced the cap and rotor along with ignition module and still nothing. Not sure if it's the coil, the crankshaft sensor, or ECM. How can I test these out before i just go buy parts. Thank you for your help!
  7. B

    5.0 mpi bravo 3 cranks but won't start on a Sea Ray

    The fuel pump fuse near the engine was blown. I replaced it now the engine will crank over but won't start. I hear the fuel pump coming on and have gas going to the injectors. It started to rain last night so i had to stop working on it but before i did I moved the throttle to 1/2 power, full...
  8. B

    2003 Sea Ray 5.0 MPI electric fuel pump won't run

    I have a 2003 Sea Ray 5.0 MPI electric fuel pump won't run. Yesterday we were on the lake and all sudden the boat just shut down. Got it home and realized the fuel pump isn't coming on. I have changed the relay still nothing. I disconnected the fuel pump plug and on my volt meter it allows you...
Top