2000 Polaris Virage TX, SLX, Pro 1200, Genesis, Genesis FFI Personal Watercraft Service Manual, Page 286Get this manual
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FFI TM FUEL INJECTION Diagnostic Guide
ENGINE SURGES RUNS ROUGH
SYSTEMCOMPONENT Fuel System CAUSES Contaminated fuel or oldstale fuel Too much oil Restricted or leaking fuel delivery systern Damaged fuel pumplow pressure Kinked fuel line Failed fuel injector(s) or intermittent connection Erratic EMM signal to injector(s) ACTIONS Check fuel tank for waterSubstitute known good fuelCheck oil reservoir and remove if needed Check for damaged fuel lines or poor connections that leak air See Action StepsFuel System Inspect all fuel line routingsSee Action StepsFuel System"Fuel Injection System"Possible CODE 51,52,53 Check for loose connection or ground, correct spark plugs and wires (RFI)Possible CODE 51,52,53 Replace with newcorrect plugs Make sure CPS wire is away from coil wiresInspect See Engine sectionCheck for loose connection or ground, correct spark plugs and wiresRepair or replace as necessaryBe sure grounds are clean and tightRepair or replace as necessaryPossible CODE 81, 82, 83 Check coil bracket ground Clean and tighten tight connection doesn't mean good connectionCheck using an ohmmeter or disassemble and inspect Monitor voltage at switch See Action StepsIgnition System Monitor voltage using FFI TM Diagnostic SoftwareVoltage will drop to 38V 2500 rpm, and will return to 45V 4500 rpmSee Engine section Inspectreseal exhaust manifold See items related to CODES 17,18,24,25