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Watch Speedometer Gauge Odometer Tachometer

Watch Speedometer Gauge Odometer Tachometer

Watch Speedometer Gauge Automotive lighting Measuring instrument
I need some advice. Having issues with my Polaris ace900. It’s cranking over but the fuel pump isn’t priming. I replaced the fuel pump and checked the fuses. I cleaned the fuse box with a air compressor. I swapped the relays around cleaned all the ground connections and still nothing. I by passed the fuel pump relay and can get the pump to prime. I’ll upload some pictures of the codes it’s giving out. Hoping someone can point me in the right direction. I think the ecu might be bad. How do I test if the ecu is bad?
 
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