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P0172 Diagnostic Trouble Code Discussion for June 2011

Fuel System Rich (Bank 1) *

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Trouble Ticket Help Requests for DTC P0172

	Help Request	Posted
	2000 Jaguar XK8 4.0L Poor Fuel Economy, MIL Lamp on VIN: SAJJA42CXY P0172: A bank combustion too rich. ... forum, or members that have dealt with this issue on an AJ27 equipped XJ8 or XK8, both naturally aspirated. I have had 3 vehicles in the past year with the P0172, P0175 codes, and the fix is proving to be elusive. The curren...	June 09, 2011
	2000 Toyota Corolla LE 1.8L Hesitation VIN: 1NXBR1ZE8Y P0172: Fuel System Too Rich (Bank 1). This vehicle has intemittant problem of no or lagging acceleration, generaly under cold condition, but has exibited it at higher coolant temps. Everything seem ok on scans, both O2's fail on vol., but I have never experianced a problem like this with a bad o2....	June 10, 2011
	2001 Ford Expedition XLT 4.6L Poor Fuel Economy, MIL Lamp on VIN: 1FMRU16W01 P0172: System Rich Bank 1. I have been racking my brain on this one. It seems to run fine although the customer swears it runs poorly. I checked mode 6 and it showed a 2% missfire on cyl 4, however I am not getting any codes. The MAF and Baro values are good. The long term fuel trims ar...	June 15, 2011
	2001 Ford Expedition XLT 4.6L Poor Fuel Economy, MIL Lamp on VIN: 1FMRU16W01 P0172: System Rich Bank 1. I have been racking my brain on this one. It seems to run fine although the customer swears it runs poorly. I checked mode 6 and it showed a 2% missfire on cyl 4, however I am not getting any codes. The MAF and Baro values are good. The long term fuel trims ar...	June 18, 2011
	2000 Toyota RAV4 2.0L MIL Lamp on VIN: JT3HP10V37 P0172: Fuel System Too Rich (Bank 1). ... other tech with The code P0172, no leak are found got new parts, the light come on atfer 10 min running at a idle, need some help -	June 28, 2011
	2004 Hyundai XG350 3.5L Poor Idle Quality, Hesitation, MIL Lamp on VIN: KMHFU45E94 P0172: Fuel System Too Rich (Bank 1). hey all, Got this hyundai that's giving me trouble. Fuel trims are at -20, o2 senors are switching and seam to be reading accurately maf voltage is 1.5v at idle. According to my modus and Mitchell @ idle maf should read .5v its exactly 1v off. sensor had alrea...	June 30, 2011
	2004 Mazda 6 S 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1YVHPB1D34 P0172: Adaptive Fuel Trim Too Rich (Bank 1). ... 2004 Mazda6 V6 5speed sedan. Was lucky to have another good running car to reference - still not much luck. Had car for a while now. Should have posted something sooner. After warm up (10-15min) Car has bad hesitation which gradually turns to no power (giv...	June 30, 2011