Longarms11
New member
Hello all, I am having trouble getting my 2000 5.7l EFI Mercruiser to start up. When I turn the key, it’ll crank, but nothing else. No signs of it even trying to catch and fire up.
Quick background, I bought this boat earlier this year and the previous owner had done some different wiring to bypass the starter as I believe it didn’t work and he didn’t want to replace it. So first thing I did was have a mechanic replace the starter and redo the wiring. Once he was done with that, had no issues firing the engine right up.
Fast forward three weeks (wasn’t able to take it out in between then and now due to other commitments), and I go out to start it up before heading to the lake and all it’ll do is crank but not fire up.
With the help of a buddy, I was able to see that fuel was getting to the carburetor, there was spark getting to the distributor, and spark from the distributor to the spark plug. Also pulled out two spark plugs and while not brand new, they weren’t completely foul looking.
At this point I’m not sure what to try next and was hoping some of you all would be able to give me some advice.
Thanks!
Quick background, I bought this boat earlier this year and the previous owner had done some different wiring to bypass the starter as I believe it didn’t work and he didn’t want to replace it. So first thing I did was have a mechanic replace the starter and redo the wiring. Once he was done with that, had no issues firing the engine right up.
Fast forward three weeks (wasn’t able to take it out in between then and now due to other commitments), and I go out to start it up before heading to the lake and all it’ll do is crank but not fire up.
With the help of a buddy, I was able to see that fuel was getting to the carburetor, there was spark getting to the distributor, and spark from the distributor to the spark plug. Also pulled out two spark plugs and while not brand new, they weren’t completely foul looking.
At this point I’m not sure what to try next and was hoping some of you all would be able to give me some advice.
Thanks!
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