Custom ECM tune for 2002-2005 2.2 Ecotec engines. - Precise timing adjustments - Optimized fueling - Increased rev limiter - Temperature parameters modified to allow it to run hotter - Unnecessary sensors eliminated - Security removed This tuning is compatible with the stock harness, but you will need to install a push-button start and Hotwire your fuel pump. For a seamless experience, consider using a simplified harness specifically designed for 2003-2005 2.2 Ecotec engines. Additionally, for derby applications, it is recommended to Hotwire your transmission. Please note that this tuning is intended for off-road use only.
