Nytro wont start. No spark

nightrunner06

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madison, wi
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Snowmobile
SideWinder LTX se
pro - x Axys switchback 800
after swapping in an new engine my sled will not start....

seems as though there is no spark:

ive checked:

all fuses
NO engine Codes
new plugs
I can hear the fuel pump turn on.

I put a spark plug in the coil and held it against the engine and it doesn't spark.......
 
any ideas will be helpful as I am supposed to leave for a trip tomorrow .
 
Check your main fuse and ignition fuse.

Pete
 
Kill switch? Bad coils? Seems odd all coils would go at once though. Get your meter on all the major electrical points
 
I checked all of the fuses.
The kill switch must be good, ( when down the speedo gauge doesn't work).

the coils check out good
the crank pick-up checks out good
oil pressure sensor is good.
ive swapped ECUs
 
Did you check throttle switch?

Pete
 
Here is the troubleshooting page
 

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Nightrunner06, Did you ever find out what the problem was?? Currently have the same problem with my brothers nytro. We pulled the motor and put it in a new not as beat up sled and wed have no spark. fuel pressure is good. The motor came out of a 2008 and went into a 2010. We have done all the checks that you also have done. Any info would be much appreciated.

2008 Nytro propane Turbo!!!!
 
Have you checked the engine ground?
 
I will check that when I get home. Thanks!
 
Check that first then look at harnesses, you might have a bent pin.
 
Well we checked everything again and found that we didnt have the coolant temp sensor hooked up. Hooked that up and she fired right up!!! Thanks.
 


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