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Here is the instruction show you guide on how to perform fuel system test for Kohler engine EFI system.
Related Content:
Kohler Integrated Diagnostics (KIRA) 2.6.0.0 2024
NOTE:For systems with a retractable starter, a minimum battery of 12 volts, 4 amp hours is required.
Function of fuel system is to provide sufficient delivery of fuel at system operating pressure of 39 psi ± 3. If an engine starts hard, or turns over but will not start, it may indicate a problem with EFI fuel system. A quick test will verify if system is operating.
1 Disconnect and ground spark plug lead.
2 Complete all safety interlock requirements and crank engine for approximately 3 seconds.
3 Remove spark plug and check for fuel at tip.
a If there is fuel at tip of spark plug fuel pump and injector are operating.
b If there is no fuel at tip of spark plug, check following:
1 Make sure fuel tank contains clean, fresh,proper fuel.
2 Make sure that vent in fuel tank is open.
3 Make sure fuel tank valve (if equipped) is fully opened.
4 Make sure battery is supplying proper voltage.
5 Check that fuses are good, and that no electrical or fuel line connections are damaged or broken.
6 Test fuel pump module operation as described earlier under Fuel Pump Module (FPM).
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