Top Makes and Models with DTC P0172

Chevrolets, Nissans, and Fords are most susceptible to Code P0172—System Too Rich (Bank 1); however, other brands are at risk. Driving for short periods with this problem is okay, but repairs should be made quickly to avoid damaging expensive components or creating hazardous driving conditions.

David Goldberg
September 11, 2024

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Top 10 Most Affected Makes

Rank	Make	Low	Moderate	High
1	Chevrolet	Avalanche, Cruze, Suburban, Cobalt, Tahoe, Camaro, Colorado, Silverado 2500, Sonic, Trailblazer, Traverse	Malibu	Equinox, Silverado 1500, Impala
2	Nissan	Pathfinder, Rogue, Sentra, Versa, Frontier, Maxima, Murano, Titan, Xterra	N/A	Altima
3	Ford	Mustang, Escape, Expedition, Edge, Focus, Fusion, Taurus, Explorer, F-350, F-250, Fiesta	Ranger	F-150
4	Toyota	RAV4, Sequoia, 4Runner, Prius, Sienna, Tacoma, Avalon, Highlander	Tundra, Corolla	N/A
5	Lexus	N/A	IS 250	N/A
6	GMC	Yukon, Acadia, Envoy	Sierra, Terrain	N/A
7	Cadillac	Escalade, CTS, DeVille, STS	N/A	N/A
8	Audi	A4	N/A	N/A
9	Subaru	Impreza, Forester, Outback, Legacy	N/A	N/A
10	Dodge	Ram 1500, Charger, Durango, Dakota	N/A	N/A

Code P0172-related issues impact vehicles from a wide array of manufacturers—SUVs, trucks, and passenger cars are all vulnerable. FIXD sensor data reveal that vehicles most likely to experience a P0172 code are:

Below is an expanded look at how a P0172 code impacts numerous makes and models. This breakdown covers occurrence rates by model year (2001-2023) and separates the frequency into low, moderate, or high levels. The worst of the worst are the five vehicles listed above.

What is the P0172 Code?

A mechanic using an OBD2 Scanner to diagnose a car — *This AI-generated image may not accurately represent all aspects of the intended subjects whether a person or object.*

The P0172 code indicates that the engine’s fuel system is running too rich in Bank 1. This means there’s an excess of fuel or a lack of air in the combustion mixture for that bank of cylinders. Common causes include faulty oxygen sensors, mass air flow (MAF) sensors, fuel pressure regulators, or vacuum leaks. If left unaddressed, the code can lead to decreased fuel efficiency, rough idling, and potential engine damage. While not usually an immediate safety hazard, promptly diagnosing and fixing the underlying issue is crucial to maintain optimal engine performance and prevent more severe problems from developing. Engine hesitation or stalling requires immediate attention to avoid a hazardous driving condition.

Read the complete article on P0172 Engine Code | System Too Rich (Bank 1) to discover the trouble areas to consider. This resource also offers tips on diagnosing the problem and what a DIYer can do to tackle a P0172 code independently (and when not to).

Top Models for P0172 Codes

Here’s a look at the makes and models most likely to have P0172 codes, according to FIXD sensor data. The absence of a model year ranking indicates no P0172 code was detected among the analyzed years, insufficient data, or the model wasn’t in production.

Acura

Make + Model	Low	Moderate	High
Acura MDX	2001, 2002, 2003, 2007, 2008, 2009, 2010, 2011, 2012, 2015	2004, 2005, 2006	N/A

Audi

Make + Model	Low	Moderate	High
Audi A4	2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2015, 2016	2007	2014

BMW

Make + Model	Low	Moderate	High
BMW X5	2001, 2002, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2020	2003, 2004	2005

Buick

Make + Model	Low	Moderate	High
Buick Enclave	2012, 2013, 2014, 2015, 2018	N/A	2008
Buick LaCrosse	2005, 2006, 2007, 2008, 2011, 2012, 2013, 2014, 2015	N/A	2010
Buick LeSabre	2001, 2003, 2005	2002	2004

Cadillac

Make + Model	Low	Moderate	High
Cadillac Escalade	2005, 2008, 2009, 2010, 2011, 2012, 2013, 2015, 2016	N/A	2007
Cadillac CTS	2003, 2009, 2012, 2014	N/A	2010, 2011
Cadillac DeVille	2002, 2003, 2004, 2005	2001	N/A
Cadillac SRX	2013, 2014, 2015, 2016	2010, 2012	2011
Cadillac STS	2005, 2006	N/A	N/A

Chevrolet

Make + Model	Low	Moderate	High
Chevrolet Avalanche	2002, 2003, 2004, 2005, 2010, 2011, 2012, 2013	2006, 2008, 2009	2007
Chevrolet Camaro	2012, 2015, 2017, 2018, 2019	2010, 2011, 2013	2016
Chevrolet Cobalt	2005, 2008, 2009, 2010	2007	2006
Chevrolet Colorado	2004, 2005, 2006, 2008, 2009, 2011, 2012, 2015, 2016, 2018	2007	N/A
Chevrolet Cruze	2010, 2011, 2012, 2013, 2014, 2015, 2018, 2019	2016	2017
Chevrolet Equinox	2006, 2007, 2008, 2009, 2016, 2017, 2018, 2019, 2020, 2021, 2022	2010, 2011, 2012, 2014, 2015	2013
Chevrolet Impala	2001, 2002, 2003, 2004, 2005, 2006, 2007, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2019	2008, 2010	2009
Chevrolet Malibu	2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2013, 2014, 2016, 2017, 2019	2011, 2012	2018
Chevrolet Silverado 1500	2001, 2002, 2003, 2004, 2005, 2007, 2016, 2017, 2018, 2019, 2020, 2021	2006, 2008, 2009, 2010, 2011, 2012, 2013, 2015	2014
Chevrolet Silverado 2500	2004	N/A	N/A
Chevrolet Sonic	2012, 2013, 2015, 2016	2014, 2017	N/A
Chevrolet Suburban	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2016, 2017, 2018	N/A	2015
Chevrolet Tahoe	2003, 2005, 2006, 2008, 2010, 2012, 2013, 2014, 2016, 2017, 2019	2004, 2011	2007, 2009, 2015
Chevrolet Trailblazer	2003, 2004, 2006	N/A	2022
Chevrolet Traverse	2012, 2017, 2018, 2020	2019	N/A

Chrysler

Make + Model	Low	Moderate	High
Chrysler Town & Country	2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013	2014, 2015	N/A

Dodge

Make + Model	Low	Moderate	High
Dodge Charger	2007, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020	2006	2008
Dodge Dakota	2001, 2003, 2004, 2006, 2007, 2008, 2011	2002, 2005	N/A
Dodge Durango	2001, 2003, 2006, 2008, 2011, 2012, 2013, 2015, 2016, 2017, 2018, 2019	2007, 2014	2004, 2005
Dodge Ram 1500^	2001, 2009, 2010	2002, 2003, 2005, 2006, 2008	2004, 2007

Ford

Make + Model	Low	Moderate	High
Ford Edge	2007, 2008, 2009, 2010, 2011, 2012, 2013, 2016, 2017, 2018, 2019	N/A	2014
Ford Escape	2001, 2003, 2005, 2006, 2007, 2008, 2009, 2013, 2015, 2016, 2017, 2018, 2019	2002, 2010, 2011, 2014	2012
Ford Expedition	2001, 2002, 2006, 2007, 2008, 2012, 2014, 2015, 2016, 2017, 2021	2004, 2005	2003
Ford Explorer	2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2011, 2012, 2013, 2014, 2015	N/A	N/A
Ford F-150	2008, 2009, 2010, 2015, 2016, 2017, 2018, 2019, 2020, 2021	2001, 2002, 2005, 2006, 2013, 2014	2003, 2004, 2007, 2011, 2012
Ford F-250	2001, 2005, 2006, 2007, 2008, 2010, 2012, 2013, 2014, 2015	2003, 2004, 2011, 2016	N/A
Ford F-350	2003, 2007, 2008, 2009, 2010, 2011, 2013, 2014, 2015, 2016, 2017	2001	N/A
Ford Fiesta	2001, 2009, 2010, 2011, 2013, 2016, 2018	2012, 2014, 2015	N/A
Ford Focus	2001, 2002, 2004, 2006, 2009, 2016, 2017, 2018	2003, 2007, 2012, 2013, 2014, 2015	2005
Ford Fusion	2007, 2008, 2010, 2011, 2012, 2013, 2015, 2017, 2018, 2019	N/A	2016
Ford Mustang	2001, 2002, 2008, 2009, 2010, 2011, 2012, 2014, 2015, 2016, 2017, 2018, 2019	2003, 2004, 2005, 2007, 2013	2006
Ford Ranger	2002, 2003, 2004, 2005, 2006, 2008, 2009, 2011, 2017	N/A	2001
Ford Taurus	2001, 2002, 2003, 2004, 2007, 2008, 2010, 2011, 2012, 2013, 2014, 2015, 2016	2005, 2006	N/A

GMC

Make + Model	Low	Moderate	High
GMC Acadia	2007, 2012, 2013, 2017	N/A	2008
GMC Envoy	2002, 2005	2006, 2007	2003, 2004
GMC Sierra	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2016, 2017, 2018, 2021	2011, 2013, 2015	2014
GMC Terrain	2016, 2017, 2018, 2019, 2020	N/A	2010, 2011, 2012, 2013, 2014, 2015
GMC Yukon	2003, 2004, 2006, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2016, 2020	2007, 2015	2005

Honda

Make + Model	Low	Moderate	High
Honda Pilot	2012, 2017, 2018, 2020	2019	N/A

Infiniti

Make + Model	Low	Moderate	High
Infiniti G35	2003, 2004, 2005, 2008	N/A	2006

Jeep

Make + Model	Low	Moderate	High
Jeep Grand Cherokee	2001, 2002, 2003, 2007, 2009, 2010, 2012, 2013, 2014, 2015, 2019, 2021	2004, 2006, 2008, 2011	2005
Jeep Liberty	2002, 2005, 2006, 2008, 2009, 2010, 2011, 2012, 2013	2003, 2007	2004
Jeep Wrangler	2001, 2002, 2004, 2005, 2007, 2008, 2009, 2010, 2011, 2012, 2014, 2015, 2016, 2017, 2018, 2020, 2021	2006, 2013	N/A

Kia

Make + Model	Low	Moderate	High
Kia Rondo	2008, 2010	N/A	N/A

Lexus

Make + Model	Low	Moderate	High
Lexus IS 250	2006, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015	N/A	2007

Lincoln

Make + Model	Low	Moderate	High
Lincoln Navigator	2001, 2002, 2003, 2007, 2008, 2013	2004, 2011	N/A

Mercury

Make + Model	Low	Moderate	High
Mercury Mountaineer	2001, 2002, 2003, 2005, 2007	2006	N/A

Nissan

Make + Model	Low	Moderate	High
Nissan Altima	2001, 2002, 2003, 2004, 2005, 2007, 2016, 2017, 2018, 2019, 2020, 2021	2006, 2008, 2009, 2010, 2011, 2012, 2013, 2015	2014
Nissan Frontier	2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017	N/A	2010
Nissan Maxima	2001, 2009, 2010, 2011, 2012, 2014, 2016, 2017	2005	N/A
Nissan Murano	2003, 2006, 2007, 2010, 2011, 2012, 2014, 2015, 2016	2009	N/A
Nissan Pathfinder	2001, 2003, 2005, 2006, 2008, 2010, 2011, 2013, 2014, 2015, 2016, 2017	N/A	2012
Nissan Rogue	2008, 2010, 2011, 2012, 2014, 2015, 2016, 2017	2013	2009
Nissan Sentra	2002, 2003, 2005, 2008, 2009, 2010, 2011, 2012, 2013, 2016, 2017, 2018, 2019	2014, 2015	N/A
Nissan Titan	2007, 2009, 2011, 2012	N/A	2013
Nissan Versa	2007, 2008, 2009, 2010, 2011, 2012, 2013, 2016, 2018, 2019	N/A	2020
Nissan Xterra	2001, 2002, 2004, 2006, 2009, 2010, 2011, 2012, 2013	N/A	2008

Pontiac

Make + Model	Low	Moderate	High
Pontiac G6	2006	2008, 2009, 2010	2007
Pontiac Grand Prix	2002, 2003	2006, 2007, 2008	2004

Ram

Make + Model	Low	Moderate	High
Ram 1500^	2016, 2017, 2019	2013, 2014, 2015	2011, 2012

Scion

Make + Model	Low	Moderate	High
Scion tC	2005, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2015	2006	N/A

Subaru

Make + Model	Low	Moderate	High
Subaru Forester	2001, 2002, 2003, 2005, 2006, 2007, 2011, 2012, 2015, 2017, 2018	2009, 2013, 2014, 2016	2010
Subaru Impreza	2002, 2003, 2005, 2006, 2007, 2012, 2013, 2016	2004, 2010, 2011	2008, 2009
Subaru Legacy	2004, 2006, 2008, 2010, 2011, 2012, 2013, 2016, 2020	2005, 2007, 2009	N/A
Subaru Outback	2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2016	N/A	2023

Toyota

Make + Model	Low	Moderate	High
Toyota 4Runner	2001, 2003, 2004, 2006, 2008, 2011, 2013, 2018	2005, 2007	2002
Toyota Avalon	2001, 2002, 2006, 2007	N/A	2008
Toyota Corolla	2002, 2006, 2007, 2008, 2011, 2012, 2014, 2016, 2017, 2018, 2019, 2020, 2022	2001, 2003, 2004, 2010, 2013, 2015	2005, 2009
Toyota Highlander	2001, 2002, 2004, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2017, 2018, 2019	2003	N/A
Toyota Prius	2002, 2003, 2004, 2007, 2012, 2013, 2014, 2015, 2016	2005, 2006, 2009, 2010, 2011	2008
Toyota RAV4	2001, 2003, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2015, 2016, 2017, 2019, 2020	N/A	2010
Toyota Sequoia	2001, 2002, 2003, 2004, 2007, 2010, 2012	N/A	2005
Toyota Sienna	2001, 2002, 2003, 2004, 2005, 2006, 2009, 2010, 2014, 2015, 2018, 2019, 2020	2007	2008
Toyota Tundra	2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2014, 2015, 2016, 2017, 2018, 2019	N/A	2005

Volkswagen

Make + Model	Low	Moderate	High
Volkswagen CC	2009, 2010	N/A	N/A
Volkswagen Jetta	2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2014, 2016, 2019	N/A	2006
Volkswagen Passat	2002, 2004, 2005, 2006, 2007, 2008, 2015	2003, 2009	N/A
Volkswagen Tiguan	2018, 2020	2009	N/A

^ Beginning with the 2010 model year, Ram was spun off from Dodge and became a separate brand. Ram-branded trucks are often referred to as Dodges, although this is technically not correct.

Source:

Data was collected from installed FIXD sensors in vehicles from the 2000-2023 model years.

David Goldberg

Dave Goldberg is an automotive journalist and lifelong car fanatic. He writes for numerous enthusiast and business outlets and is an ongoing contributor to HotCars.com, one of the most popular car culture websites. When he’s not writing or driving, Dave is either under a hood or asleep. His credentials include a BA in Journalism from The George Washington University.

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