If the fuel pressure is off, atomization doesn’t happen properly and the optimal air/fuel mixture isn’t achieved.
#Mazda 6 p0171 code#
If it has gone bad, the air fuel mixture will be off and the P0172 code will show.
#Mazda 6 p0171 how to#
Here’s a great YouTube video on how to find a vacuum leak. Take a look around and see if you can find the vacuum leak.