Jan 20, 2009 #1 A aray176 New member Joined Dec 8, 2008 Messages 3 Reaction score 0 Points 1 my engine light is on code 171 is comming on. i guess its running lean .can anyone suggest what may be wrong and how may i fix it. the car is 4 cyl.
my engine light is on code 171 is comming on. i guess its running lean .can anyone suggest what may be wrong and how may i fix it. the car is 4 cyl.
Jan 20, 2009 #2 D DavidB Member Joined May 15, 2008 Messages 321 Reaction score 0 Points 16 replace the O2 sensor and your problem is solved.
Jan 20, 2009 #3 R RonnieWrench1 New member Joined May 15, 2008 Messages 29 Reaction score 0 Points 1 You have a vacuum leak. Or worst a bad o2 sensor