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Kevin, Auto Mechanic
Category: Nissan
Satisfied Customers: 1978
Experience:  Diagnostic technician
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Can a loose oil filler cap on a 2000 Nissan Xterra cause map

Customer Question

Can a loose oil filler cap on a 2000 Nissan Xterra cause map sensor po171 to appear
Submitted: 11 months ago.
Category: Nissan
Expert:  Kevin replied 11 months ago.

Hi im kevin the code youhave actually meAns fuel system too lean and yes its possible the drop in crankcase pressure could cause this code i would refit cap and have faults cleared and see if code returns before further investigation

Expert:  Kevin replied 10 months ago.

Please remember to rate my service and let me know if you need anything else