Miller Special Tools MD998451 ECI Checker **UNTESTED - SOLD AS IS** Cables are connected but not labelled. Review photos for overall condition! The EIC Checker can be used for required testing of the MMC Feedback Carburator Systems and Electronic Injection Systems on 1984 through 1989 vehicles. It can also be used on 1984 and 1985 Domestic vehicles equipped with the MMC 2.6 liter engine and the Feedback Carburator System.
