P0172 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


OBD-II Trouble Shooting Got a code reader? Find out what your GM car's Check Engine light is trying to tell you (and then turn Check Engine light off).

 
 
 
 
Thread Tools Search this Thread
Old 09-24-2009, 12:14 AM   #1
Retired Senior Admin

Expert Gearhead
Thread Starter
 
Danthurs's Avatar
 
Join Date: May 2006
Location: Sheboygan Wisconsin
Posts: 29,661
Thanks: 0
Thanked 16 Times in 13 Posts
Danthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to all
Default P0172

P0172

Description
System Too Rich (Bank 1)

The oxygen sensor in bank 1 detected a rich condition (too little oxygen in the exhaust).

Symptoms
You will more than likely not notice any drivability problems, although there may be a misfire.

Causes
A code P0172 may mean that one or more of the following has happened
  • The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters can cause the MAF to become dirty if the filter is over-oiled.
  • Vacuum leak.
  • Fuel pressure or delivery problem
  • Throttle position sensor
Possible Solutions
__________________
Danthurs is offline  
 
 
 

Related Topics
Thread Thread Starter Forum Replies Last Post
2008 impala P0172/P0442 DANMC99 Chevrolet 3 02-18-2013 09:27 AM
p0172 and p0175 jwfirebird GMC/Chevrolet Truck/SUV 4 03-05-2012 08:28 AM
2001 Bonneville - P0172 - Car shutting off while driving lululovesu 2000-2005 8 05-08-2011 08:44 PM


Tags
obd2, obdii, p0172, p172

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 03:46 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.