P0171 Mitsubishi - never had code until I used lucas fuel cleaner

Question

I just used Lucas fuel cleaner and now my car is showing P 0171 just after using the cleaner on the way home is this a temporary thing because of the cleaner or could it be a real issue thanks!

Answer 1

P0171 Fuel trim lean Bank 1

This is a V6 engine it may be the real thing, the cleaner may have affected one side of the Bank. Check for any vacuum hose that may have gotten disconnected, and do a MAF cleaning. clear the code it is possible it is temporary