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Discussion Starter #1
05 Sportsman 800 has 3 codes 42 51 52. Atv is over loading on fuel and injectors dont have ground signal so i ran a ground to battery,without that bike wont run. And ideas what to look for for fixing it?
 

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42-temp sensor wiring is bad
51+52-injector wiring bad
 

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Discussion Starter #3
So harness or ya thinking maune ecm. Remember i didnt have any ground at injectors but ima clean connectors.
 
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