P0172 m271. I call in for your help as i can't find solution among our service society on our forums. Troubleshooting P0172 Code on Mercedes W204 with M271 Turbo W204 often faces rich fuel mixture and faulty mass airflow sensor issues causing P0172 errors. I Aug 21, 2023 · The code P0172 - system is too rich (Bank 1) is set when your PCM needs to cut the amount of fuel to the system to keep the stochiometric ratio at 14. This bank is the side of the engine with the first cylinder. Just learning about it and could use some advice on steps to a smooth ride and better mpg. I did that but I am still Jun 18, 2019 · 2007 Clk350 convertible I got codes P0172 and P0175 I plan on ordering a i980 to be able to better diagnose the car. So far I cleaned the maf cleared the codes, and after 2 days of driving the codes came back. Jun 25, 2024 · C-Class (W204) - M271 running rich - Code p0172 and P2188 - Hello I?m new owner of a c180 engine m271. 8 petrol kompressor sport with 109k miles from the auction as a cat N - (minor rear end damage). Jan 27, 2025 · P0172 code indicates that your vehicle's engine control module has detected an excessively rich fuel mixture in Bank 1. 7w8susrwmllxmheecith0wb2hykyowv8i2q8iqmwbhp