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  #1  
Old Yesterday, 08:26 AM
Creampuff Creampuff is online now
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Join Date: Aug 2012
Boat: 2002 mastercraft x star
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please help 2002 mastercraft x star no start

I am lost and hope I can get some help here. The last time my boat was out on the water the low oil pressure warning sounded and oil pressure was very low. I got it back to the trailer and loaded and the boat still ran fine. I check the oil and it was extremely low. I changed the oil and refilled and discovered that the oil was coming out of the front cover seal on the timing chain cover. We replaced it and we can't get the boat started. We have checked and rechecked everything. The has fuel pressure but no spark aND no injector pulse. Kill switch lanyard tested good, changed ignition module (northstar electronics) still nothing. There is power to the crank sensors but no fire to the spark plugs. Could it be a gap problem from the sensor to the trigger wheel or?????? Thanks for any help. Only code it through was for a knock sensor. The motor cranks and turns over fine
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  #2  
Old Yesterday, 09:23 AM
Creampuff Creampuff is online now
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My engine is a ltr 330
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  #3  
Old Yesterday, 09:27 AM
Creampuff Creampuff is online now
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This is a picture of the top of my motor
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  #4  
Old Yesterday, 11:03 AM
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willyt willyt is offline
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throttle in neutral?
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  #5  
Old Yesterday, 11:27 AM
Tsumi Tsumi is offline
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^^ that.

Also, does the check engine light turn on when you turn it on? If not, you probably have a bad relay.
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  #6  
Old Yesterday, 11:39 AM
Creampuff Creampuff is online now
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yes the boat is in neutral
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  #7  
Old Yesterday, 12:51 PM
bcd bcd is online now
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Did you spray the engine to clean it off? I had issues on my 02 when the crankshaft sensor connectors got wet. Boat wouldn't start occasionally. If I pulled the connectors apart and blew them off and put them together it would fix it. It's worth a try.

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  #8  
Old Yesterday, 01:52 PM
Creampuff Creampuff is online now
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I washed the engine hull down after the oil was I'm there but I don't think the plugs got to wet. I habe pulled them off and they look dry.
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  #9  
Old Yesterday, 08:46 PM
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mtajpa mtajpa is offline
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You may have blown a fuse when working on it. There are 3 fuses to check first, They are near the ECM in covers. The loom is usually labeled. Second check the wiring connections on the crank position sensors. If you removed the balancer you had to remove or unplug them I think. The PDF has a good wiring diagram.
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File Type: pdf MEFI3CEFI3 Distributorless Ignition(1).pdf (670.1 KB, 17 views)
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99 MariStar 230 Sport LTR 330
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  #10  
Old Yesterday, 09:01 PM
Creampuff Creampuff is online now
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I have checked the wiring in and out of the crank sensors. It's all good. I guess I'll order the 2 crank sensors and see if that does anything.
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