*07/30* FINAL UPDATE - THE CAUSE OF THE NO START **2007 speedster 150 215hp SC.

[cpher2025]

its been sitting a while and trying to resurrect it. in process of cleaning grounds and connectors.
Any thoughts on this?
Has:
fresh battery
new fuel pump
2 beeps with key although the display is toast
has good compression/spark.
fuel pump runs for a sec when key installed.
with fuel pump plugged in, the guage fuse blows rather quickly, if the fuel pump is unplugged, it will turnover longer before blowing the guage fuse.

 

[Mister Magoo]

Your first step is going to clean every plug/jack and put dielectric grease on them, every plug/jack. Clean the grounds, there is a big cluster on the front of the engine. They get kind of crusty, clean the mating surface on the engine and the eyelets. If that don't work you are looking for a component that is blowing the fuse. Helps to have a meter that can read DC current.

 

[cpher2025]

Your first step is going to clean every plug/jack and put dielectric grease on them, every plug/jack. Clean the grounds, there is a big cluster on the front of the engine. They get kind of crusty, clean the mating surface on the engine and the eyelets. If that don't work you are looking for a component that is blowing the fuse. Helps to have a meter that can read

I have a meter capable of doing that. Pulled the engine fuse box, cleaned all the terminals and tightened the spades that the fuses slide into. Start solenoid was a tad rusty, cleaned all the cables that are associated with that fuse box and reconnected. In process of cleaning the ground connections on the front end of the motor. You were right, pretty crusty

 

[Mister Magoo]

So now you know the enemy you face with a boat. When some people pull their boat out of the water they leave a little bit of water in the bilge, which, in our boats in under our engines. Eventually, that water will evaporate and corrode/rust
everything that's not greased,oiled or painted.

 

[cpher2025]

UPDATE - UPDATE - UPDATE!!!!
cleaned those nasty grounds, so the guages fuse no longer blows while starting . cleaned all the coil and fuel injector connections. cleaned the injectors for proper spray. BUT........
This has me a bit bumfuzzled.
1) with the coils sitting on the valve cover and spark plugs out of the head and in the coil boots....all three spark in a pattern, spark is decent visually in all 3 but not tested with buds or multi meter.
2) reattched the 3 injectors in the rail and viually inspected spray on each one. reinstalled the injector rail back into the cyl head.
3) good compression on all three cyl
4) new battery fully charged
5) new fuel pump
6) 2 beeps with lanyard.
***the supercharger is bypassed, until it can be cleaned and inspected, didnt want any foreign unseen items flying into the combustion chamber . just have the pressure hose from the charger pointing north.
So i connected the lanyard. 2 beeps, fuel pump 5 seconds, engage starter. spins and spins. no cough, no babumbabum, no NOTHING, no backfire.
what am i missing. i tried some starting fluid while cranking over. nothing.
any thoughts????

 

[Mister Magoo]

If you have fuel and spark they must be at the correct time. Verify that you have not jumped timing.

 

[cpher2025]

I thought of that as well. I started in the troubleshooting section of the FSM, and the first few were the obvious things i already have in place as far as the 3 elements required for an engine to run. i started with the coils and checked all the values and they are in spec. bought new plugs, they seems to spark better, but havent installed them yet to try and see. checked the coil wiring and confirmed voltage, grounds and continuity.
I replaced the fuel pump first, and noticed that the check valve washer and rubber flap under the fuelpump filter were not in the module. im sure that will probaby cause a performance issue but, that will come later. checked the fuel pump pressure inline per the manual and
spec is 40-45psi and im around 50psi, although pressure drops quickly, and im thinking because of the check valve.
i was starting on the injector side of testing. i cleaned the injectors (bench style with spray cleaner, and a switch to activate the solenoid, nice clean spray pattern) and connectors and the green contacts on the injector itself. assembled them into the rail and laid the assembly on a towel on top of the motor. all 3 sprayed strong and in pattern. I thought of the related sensors and went ahead and reassembled the SC hoses in hopes that it would help.
Today, ill pull the valve cover and take a look, but if i have nearly equal compression on all 3 cylinders, jumped valve timing would cause different results on a compression test right?
I appreciate the assistance Mister Magoo, and keep it coming.....
Ive had alot of views on this and my other post , Ya'll dont be afraid to leave a comment or suggestion, those are some of the best knowledge that cant be found in a book or manual.
Its friggin 97 degrees here in south ga, time to get sweatty!!!!
Ill keep you posted for those interested, lol

 

[cpher2025]

07/27 !!!!!! FIXED!!!!! I CANT BELIEVE IT!!! SEE VIDEO ATTACHED.
Now for the fun part....
See who can guess what was the cause of the no start, Read the thread, everything was there to make it run yet it didnt, even with starting fluid.
I was looking at an online parts diagram for an oil filter number and saw it.
it started immediately. no knock, no smoke, idled smooth.
i cant figure out how to upload a ".mov" file from my iphone , any help?
Let the guesses begin!!!!!

 

[cpher2025]

155 views so far, no new comments.......comeon now, anybody want to take a guess at why this speedster would not start? The reason for me asking your thougts is only to help, when you have exhausted all the reasons why it SHOULD start but would not, can be very frustrating and might even coinvince you to throw more parts at it when it might not need them....
All 3 requirements were met...... good spark, good fuel flow from the injectors, good compression......new battery, plugs, fuel pump and fuel

 

[lavasioux]

155 views so far, no new comments.......comeon now, anybody want to take a guess at why this speedster would not start? The reason for me asking your thougts is only to help, when you have exhausted all the reasons why it SHOULD start but would not, can be very frustrating and might even coinvince you to throw more parts at it when it might not need them....
All 3 requirements were met...... good spark, good fuel flow from the injectors, good compression......new battery, plugs, fuel pump and fuel

Neutral switch?

 

[alainm]

All I could think of is inverted ignition coil plugs, so the spark would be out of phase.

 

[cpher2025]

All I could think of is inverted ignition coil plugs, so the spark would be out of phase.

sodid i, i spent a few hours friday night checking voltages, continuity etc on coils AND injectors, lol
luckily the zip ties on the engine harness were intact so it was not possible to installcoils in wrong place...
I swear, yall arent going to believe it

 

[cpher2025]

Neutral switch?

nope!

 

[cpher2025]

OK! So, I was hoping to see more comments/theories/ideas as to why this ski wouldnt start.
Everything that is required for an engine to run was there. True, ALOT of contacts/grounds/connectors etc had to be cleaned, and afterwards, the gauge fuse never blew.
After everything was in spec, i couldnt figure out why this thing wouldnt even hiccup, cough,backfire, or even stumble a little. even a shot of starter fluid did nothing. keep in mind this boat has been sitting , out of the water , unused for at least 7 years. and with some surface corrosion from the salty aair, and it being used in salt water, and most likely lack of proper maintenance and storage prep.
The Intercooler sits smack in the middle of the intake manifold. it is fed by raw water pumed in and out, not part of the closed loop cooling system.
copper? aluminum? salt? hmmmm
I took some hose pinchers and clamped down on the inlet and outlet hose and it cranked almost immediately. I couldnt believe it!
Ihavent removced the intercooler yet but im sure there is a nice big salty hole somewhere. The engine was sucking air , leaning out the mixture i guess. Kinda like pulling the big vacuum hose off your older car brake booster and see how the engine runs, or cranks.
I have no display so i have only run it for 15-20 seconds at the most. but it has a smooth idle, no tapping or knocking or rattles. first crank blewout a bunch of leaves, lol
pulling the intercooler and SC soon. more to come , thanks for all your help

 

[lavasioux]

Neato skeeto! Congrats on the victory!

 

[alainm]

Surprising it did not start with starter fluid.

 

[cpher2025]

Surprising it did not start with starter fluid.

My thoughts exactly. It did nothing.... i thought the staring fluid would at least make it fire a couple revolutions.
A buddy in town has buds or candoo or both, The boat is rumored to have very few hours on it. and he is scheduled to stop by and hook it up and see whats going on. To be honest,I was amazed at how scarce and overpriced the electrical parts are for these boats, especially these late 2k boats with the ecm/vcm/efb set up.
you know anywhere i can get a digital display?