Troubleshooting steps
Diagnose P0172 using service manual, check related sensors and wiring, repair or replace faulty components
Motorcycle Diagnostic Codes
P0172 – System Too Rich (Bank 1)
System Too Rich (Bank 1)
Details
System Too Rich (Bank 1) detected on Harley-Davidson motorcycle. This diagnostic trouble code indicates a problem that requires attention.
Error typeerror
MeaningSystem Too Rich (Bank 1)
Typical causesSensor failure, wiring issue, component malfunction, system fault
SolutionsDiagnose P0172 using service manual, check related sensors and wiring, repair or replace faulty components
Severitymedium
Catalog references
Where this appears
Harley-DavidsonP0172
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FAQ
Common questions
What does P0172 mean on Harley-Davidson?
P0172 on Harley-Davidson indicates system too rich (bank 1). Consult service manual for specific diagnosis procedures.
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