Engine problem
1998 Lincoln Navigator V8 Four Wheel Drive Automatic 186000 miles
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my check engine light came on, I took it to a friend and scaned it bank1 and bank2 came on the screen it said fuel was to rich. my Navigator is using a lot of gas a lot. please get back to me soon I do not want to pay double for repairs thanks anaconda98p ............this are the codes
P 1131 Ho2 511 Lean
P 1151 Ho2 521 Lean
PO 171 System Bank 1 too lean what side is bank 1 is on?
PO 174 System Bank 2 too Leanwhat side is bank 2 is on?