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Code 21 08 nytro fx

Littlehoe

Littlehoe

Extreme
Joined
Nov 14, 2009
Messages
118
Location
Prince Albert, Saskatchewan
A guy on another site is having some issues with his nytro... He states he is getting a code 21 anyone know what that would be?

Getting trouble code 21 on my 2008 yamaha nytro fx. red light is on (low coolant light) and yellow warning light is flashing the engine light is on. Still runs but not right any ideas?
Click to expand...

it seems 2 b overheating as well,water pump is circulating and tested thermostat, all seems 2 b working and in good condition, got me stumped
Click to expand...
 

Coolant temp sensor...but that's for an Apex....search engind codes..there is a code chart on here somewhere.
 
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