Efi Troubleshooting - Ariens Professional Sno-Thro Series Service Manual

With hydrostatic drive
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EFI TROUBLESHOOTING

EFI REPLACEMENT COMPONENTS. . . . . . . . . . . . . .71
EFI TROUBLE CODE IDENTIFICATION . . . . . . . . . . .73
CHECKING TROUBLE CODES . . . . . . . . . . . . . . . . . .73
TROUBLE CODE DIAGNOSTICS. . . . . . . . . . . . . . . . .74
Code 16: Low Battery Voltage . . . . . . . . . . . . . . . . . . . . . . . . 74
Code 21: Barometer Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Code 22: Engine Temperature Sensor . . . . . . . . . . . . . . . . . . 75
Code 27: Low Fuel Pressure. . . . . . . . . . . . . . . . . . . . . . . . . . 75
Code 28: High Battery Voltage . . . . . . . . . . . . . . . . . . . . . . . . 77
Engine Starts and Loses Power . . . . . . . . . . . . . . . . . . . . . . . 77
Engine No-Start Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Surging Run Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Engine Speed Does Not Change . . . . . . . . . . . . . . . . . . . . . . 80
Fluttering Servo Motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
SERVICE RECORD . . . . . . . . . . . . . . . . . . . . 82
EN - 70

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