Join Now
International Automotive Technicians Network

P0172 Diagnostic Trouble Code Discussion for July 2014

Fuel System Rich (Bank 1)


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2006 Volkswagen Passat 2.0T 2.0L Hesitation, Surge, Cuts out, MIL Lamp on VIN: WVWEK73C36
P0172: system too rich bank 1. ... hesitation or a surge while going up hill or at highway speeds. Brought the car in and scanned for codes and found p2293 fuel pressure regulator 2 performance and p0172 system too rich bank 1. We are about ready to pull the high p...
July 01, 2014
1998 Volvo S70 GLT 2.4L MIL Lamp on VIN: YV1LS5644W
P0172: veh too rich. trying to do drive cicles. drive veh and after 30 minutes ck eng coming back on whith codes po 171 and po172
July 02, 2014
1997 Suzuki Sidekick JS 1.6L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 2S3TE02V0V
P0172: Fuel System Too Rich (Bank 1). ... this suv came in our shop with a check engine light on and rough idle all the time. found a p0172 rich bank 1 code. and started diag. 02 sensor b1s1 stuck at 900mv, st -24 lt -24. checked fuel pressure regulator, checked fuel pressure for bleed down, then ...
July 07, 2014
1997 Suzuki Sidekick JS 1.6L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 2S3TE02V0V
P0172: Fuel System Too Rich (Bank 1). ... this suv came in our shop with a check engine light on and rough idle all the time. found a p0172 rich bank 1 code. and started diag. 02 sensor b1s1 stuck at 900mv, st -24 lt -24. checked fuel pressure regulator, checked fuel pressure for bleed down, then ...
July 08, 2014
2007 Lincoln Navigator Ultimate 5.4L MIL Lamp on VIN: 5LMFU28597
Koeo all o2 sensors under .02 volts, after starting sensors go to 900mv as soon as heaters turn on. Checked oil for fuel vapors, none clean oil. Disconnected purge line to tank, no change, create large vacuum leak numbers go down. Disconnected both front o2 se...
July 11, 2014