Table of Contents

11.2.1 My Front (Or Rear) Spark Plug Shows Indicates an Overall Lean (Or Rich) Condition

A very simple and fast trick for this is to increase or decrease the engine displacement by a few points.
Open the most recently programmed tuning file, then adjust the engine displacement setting by double clicking on the engine disp. text box, changing the value displayed, and Applying.
Program these changes to the ECU and see if the condition has improved.