Learn about OBD-II codes P0172 and P0175, their causes, symptoms like check engine light and misfiring, and diagnostic tips for rich fuel mixtures at RepairPal.

Nov 23, 2013 · I have codes P0101 and P0172 (2.4L engine) What is your question? Sounded like a no-brainer, bad MAF. Have replaced it twice and the code still comes back. Seems to …

Understand the P0171 OBD-II code: Fuel System Too Lean (Bank 1). Learn about symptoms, common causes like vacuum leaks, and troubleshooting steps at RepairPal.

Jul 6, 2025 · Getting a P0172 System Too Rich Bank 1 on a 2019 Genesis G70- under 60k miles. What is your question? Getting a P0172 code. (System too rich Bank 1) Is this a common …

May 27, 2014 · Learn about P0172 & P0175 codes in your 2003 Toyota Highlander after changing the Mass Air Flow sensor. Discover causes, solutions, and maintenance tips.

Mar 15, 2012 · there are these three codes coming up p0172 p0175 bank 1 and 25 too rich and p0300 cylinder 2 misfire and there is a strong fuel smell when running. You must keep your …

Jan 26, 2013 · Got a code on 2004 trailblazer (P0172). what is the main problem for this code?

Apr 16, 2014 · Explore solutions for P0172 and P0175 codes in the 2011 Chevrolet Silverado 1500. See diagnostic tips, maintenance advice, and local RepairPal certified shops.

Explore the P0174 OBD-II code for a lean fuel system. Understand symptoms, common triggers like vacuum leaks, MAF issues, and effective troubleshooting tips.

Dec 13, 2010 · Lexus IS250 Check Engine Light With Code P0172 and/or P0175 - 1 reports. Learn about this problem, why it occurs, and how to fix it.