P0170 Fuel Trim Malfunction (Bank 1)
P0173 Fuel Trim Malfunction (Bank 2)
There are a lot of problems that can cause these codes to show up but the most common is a vacuum leak. Maybe something melted?
- 2003 Montero Sport XLS AWD (current)
- 2012 Honda Pilot EX AWD (current)
- 2006 Nissan Altima SE-R (current)
- 1999 4X4 Montero Sport Limited (retired)
- 1997 4x4 Montero Sport XLS (retired)
- 2003 Galant LS (retired)
- Lots of cars and SUVs before that
Last edited by challenger4x4; 10-02-2009 at 02:53 PM.