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My check engine light came on on my sled and it flashes when I give it gas. Is this a code that it is throwing up? Can someone tell me what a repair manual says to do to troubleshoot this? The engine sounds fine.
 

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How long does it take for the light to turn on after you start it? You probably ran it too long without it being cooled by snow thus overheating it. Count the flashing pattern of the "Check Engine" light.
 

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Flash Codes
1 - open/short circuit in throttle position sensor
2 - open/short circuit in water temp. sensor
3 - open/short circuit in air intake temp. sensor
4 - open/short circuit inbarometric pressure sensor
5 - failure in injector(s)
6 - failure in servomotor
steady flash - coolant temp. above 80*C/176*F
constant on - coolant temp. above 93*C/200*F
 
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