2023 GMC Yukon: Fuel Pump Control Module
P2098 Code: Post Catalyst Fuel Trim System Too Lean
Apr 3, 2023 ... Your engine control module (ECM) uses the information gathered by these sensors to analyze the exhaust stream composition and adjust the fuel ...
P0172 Code: Fuel System Too Rich (Bank 1)
Feb 20, 2023 ... ... control unit (ECU) will make adjustments. Your ... The StockWise Auto team knows all the strengths and weaknesses of the GMC Sierra.