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P0172 Diagnostic Trouble Code Discussion for February 2008

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2007 Ford Focus SES 2.0L Excessive Emissions, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FAHP36N77
P0172: Rich B1. Today, the car started-up right away and while it seems to run ok, there is some noted problems. The O2 is lazy. It looks like the car has only traveled 45 miles on a half tank of gas and there is soot all over the car. There is a slight mis-fire under accel....
February 01, 2008
2007 Ford Focus SES 2.0L Excessive Emissions, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FAHP36N77
P0172: Rich B1. Today, the car started-up right away and while it seems to run ok, there is some noted problems. The O2 is lazy. It looks like the car has only traveled 45 miles on a half tank of gas and there is soot all over the car. There is a slight mis-fire under accel....
February 04, 2008
2000 GMC Savana 3500 5.7L Hesitation, Cuts out VIN: 1GTHG35R9Y
P0172: Fuel Trim System Rich (Bank 1). HELLO, This van has had an intermittent low power almost no power like a plugged exhaust.this has been going on for about a year and a half. We installed new bosch modular pump when van wouldnt start 4 weeks ago.now intermittent problem is occuring more.. VCM ...
February 05, 2008
2006 Chevrolet Suburban 1500 Z71 5.3L MIL Lamp on VIN: 1GNEC16Z16
P0172: Fuel Trim System Rich (Bank 1). ... come back with P0172 and P0175 Fuel Trim Rich both banks. Originally it had an EVAP vent circuit fault but since the purge and vent soleniods were replaced the P0449 has not returned. Long fuel trim indicates a very rich ...
February 06, 2008
2000 Ford Excursion Limited 6.8L MIL Lamp on VIN: 1FMNU43S5Y
P0172: system to rich bank 1. ... on, IAT code and a MAF code . Checked sensor it was not plugged in. Plugged it up cleared codes, drove ,about 5 miles light back on. Checked code, P0172 rich bank 1. Looked at STFT and LTFT and it is showing -7to-13 STFT and -13 LTFT on bank #1. 7 to 13 ST...
February 06, 2008
2001 GMC Jimmy SLE 4.3L MIL Lamp on, Hard Starting VIN: 1GKDT13W71
P0172: Fuel System Rich (Bank 1). HELP This is my Father-in Law's car -- So ofcourse not making a big profit here-- HA HA --- Has extended crank most of the time--- codes came on at about 110,000 miles-- changed O2 sensors and did complete tune-up--- ran great-- still does-- but after a week o...
February 12, 2008
1996 Volvo 850 GLT 2.4L MIL Lamp on VIN: YV1LS5545T
P0172: system rich. Need to know how a pulsed evap line is running a fuel pressure regulator, they are on the same line. With a vacuum pump on regulator, brings pressure down, fuel trim goes down. Any help please, where are the Volvo guys?
February 12, 2008
2004 Chevrolet Cavalier LS 2.2L Poor Idle Quality VIN: 1G1JF52F24
P0172: Fuel System Rich (Bank 1). ... & P0172 present. Checked history misfire counts and all seemed to be close on all cylinders. Vacuum @ idle 10 hg. Smoked intake and little seepage out throttle valve - but no other vacuum leaks. Checked compression 160 all cylinders. Performed upper cy...
February 18, 2008
2002 Acura RSX Type-S 2.0L Stall, MIL Lamp on VIN: JH4DC53012
P0172: System rich. ... with this one. We had to replace the headgasket and the vehicle was running great. After about a week the customer said the car had stalled as he was coming to a stop and the "check engine" came on. we pulled a code p0172 system too rich. I checked...
February 20, 2008