Q: vehicle runs great check engine light on fault code p-0171 fuel system lean. on 2001 Volkswagen Passat

Enthusiast 01be16a5a93688912f14755221fb15211b518d9a788cf01b455e03cc1bd585ac
any quick fix for this? 1.8 litre turbo?
(1) Answer
(1) Comments
171 is lean commands. could be vacuum leaks, mass air flow sensor, low fuel pressure or bad pcv.

all need to be checked

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