1999 Polaris PWC Genesis, Ficht, X-45 Service Manual, Page 273Get this manual
FICHT FUEL INJECTION
Preliminary Tests
Since electrical, fuel, and ignition systems interact, symptom can have more than one causeTo determine the faulty system, perform the following stepsOnce system is isolated, use the Diagnostic Guide to further define the problem and lead to the appropriate Action Step
Step 1: Check all ground wires and wire connectors for tightness, damage, or corrosionPoor grounds can cause many symptoms including failure 10 start and misfiringDisassemble, clean, and reinstall any questionable ground connectionsInspect all fuses and replace any that have failedLoose ground connections are the #1 cause of engine malfunctionMake sure to check al ground circuits first, before moving on to next Action Steps