A p0172 diagnostic code indicates that the fuel trim is too rich Bank 1 indicates it’s located on the side that. Learn possible causes, symptoms, and troubleshooting tips for p0172.
HOW TO TROUBLESHOOT THIS P0172 SYSTEM TOO RICH BANK 1 PART 2 - YouTube
In case the amount of the compensation value is extremely large (the actual mixture ratio is too lean.), the ecm judges the condition as the fuel injection system malfunction and light up the mil (2 trip detection.
Check engine light showing p0172
Learn what system too rich means, what causes it, and how to diagnose & fix it quickly. The p0172 trouble code technically means system too rich (bank 1) Here's exactly what you need to do to fix it. The p0172 error code indicates that the pcm cannot correct the air/fuel ratio due to excessive fuel entering the engine.
How to fix p0172 code Fuel system too rich (bank 1) a rich condition exists if the engine is getting more gas than air into the cylinders (how a p0172 code is.
