NAIOA Impala Forums :: View topic - P0172 - bank one too rich
Joined: Jul 03, 2008 Posts: 2573 Posts per day: 0.78 Location: Windsor, Ontario, Canada
2004 Chevrolet Impala
1997 Chevrolet Corvette
Posted: Sat Aug 23, 2014 3:43 pm Post subject: P0172 - bank one too rich
3 months ago I had a misfire so I replaced the plugs wires, and o2 after the cat. Today I got this code. No change in drivability. Any ideas?
Joined: Jun 06, 2009 Posts: 817 Posts per day: 0.28 Location: Ann Arbor
2002 Chevrolet Impala
2011 Chevrolet Silverado
Posted: Sat Aug 23, 2014 3:59 pm Post subject:
You can try cleaning the MAF sensor. Also, maybe try ohming out the injectors to see if one or more are clogged.
Joined: Nov 05, 2006 Posts: 6364 Posts per day: 1.64 Location: I got big balls and dey jangle like a lotta keys.
2004 Chevrolet Monte Carlo
2001 Chevrolet Monte Carlo
2009 Subaru Impreza
Posted: Sat Aug 23, 2014 11:13 pm Post subject:
Post cat O2 sensor doesn't affect fueling. The O2 sensor in the rear manifold is for AFR.
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