Troubleshooting steps
Diagnose P0171 using service manual, check related sensors and wiring, repair or replace faulty components
Motorcycle Diagnostic Codes
P0171 – System Too Lean (Bank 1)
System Too Lean (Bank 1)
Details
System Too Lean (Bank 1) detected on Harley-Davidson motorcycle. This diagnostic trouble code indicates a problem that requires attention.
Error typeerror
MeaningSystem Too Lean (Bank 1)
Typical causesSensor failure, wiring issue, component malfunction, system fault
SolutionsDiagnose P0171 using service manual, check related sensors and wiring, repair or replace faulty components
Severitymedium
Catalog references
Where this appears
Harley-DavidsonP0171
Utilities
Copy-paste helpers
Browse More
Explore Motorcycle Diagnostic Codes
View all 100 motorcycle diagnostic codes codes
FAQ
Common questions
What does P0171 mean on Harley-Davidson?
P0171 on Harley-Davidson indicates system too lean (bank 1). Consult service manual for specific diagnosis procedures.
Community
Discussion & Experiences
Share your experience, solutions, or ask questions about this error code. Help others troubleshoot!
Loading comments...