P0170 The Fuel System Diagnostic Saga

This thing comes and goes on me time to time with weird idle supposingly it happens if you put to much gas in the car or don't lock the gascap properly. Explore the P0170 OBD-II code for fuel trim issues: learn common triggers like vacuum leaks and MAF sensor faults, along with diagnostic tips at RepairPal. 16554 P0170 035 Fuel Trin, Bank 1 Malfunction Possible causes: Air leaks - Map, TB gaskets?? Lambada - Clean or Replace any other possibilities? DTC Code P0170 indicates a Fuel Trim Malfunction, where the Engine Control Module (ECM) detects an imbalance in the air-fuel mixture. Symptoms for Fault Code ... The car seems to rev a lot higher than normal. It shifts around 4000rpms and 1st gear sometimes takes it to 20, 2nd to 40,and rest of gears happen fast. After many enquiries I was told everything from O2 Sensors, Vacuum Leaks, Injector Problems, Fuel Pump Problems, Faulty MAF and Catalysts. There is a limit to how much the ECM can trim the fuel mixture and when the limit is reached for a specific amount of time the ECM will set the ... mine was bad front 02 sensor. If you have a pocket logger then pulg it in and see what the sensors operating range is. If its not moving at all ... The ODBII code P0170 indicates that there is a malfunction in the fuel trim system for Bank 1, which means the engine control module (ECM) is having. 'P0170' Fuel Trim Malfunction Bank 1 Legacy Forum.