1998 wrangler code P0171 bank one lean jeep is getting 7 mpg black soot on 1998 Jeep Wrangler

replaced both 02 sensors, coolant sensor, no vac leaks defroster only, been to dealer twice no luck seems to be an emissions problem new cat.

by in Miami, FL on January 12, 2013
1 answer 3 comments
ANSWER by on January 12, 2013
is the check engine light on?
COMMENT by on January 17, 2013
yes code reader P0171 vehicle is currently at local dealer for third time in two weeks to diagnosis
COMMENT by on March 15, 2013
What had to be done? Ive done the same things and have the exact same issues.
COMMENT by on March 15, 2013
no one can pin point the problem so I installed a battery switch and every time the check engine light comes on I flip the switch and reset the computer now I average about 15-16mpg the light comes on every 100 or so miles it can be a pain on long trips but to go from 7mpg to 15 it is worth the trouble

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