Section 1 (Engine Controls - System/Component Tests - PFI): Introduction
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1990 Mitsubishi Van, 1990 Mitsubishi Sigma, 1990 Mitsubishi Pickup, 1990 Mitsubishi Montero, and 1990 Mitsubishi Mirage. However, it is still accessible from the selected car via links, so may be relevant.
Before testing separate components or systems, perform procedures in BASIC TESTING article. Since many computer controlled and monitored components set a trouble code if they malfunction, also perform procedures in TESTS W/CODES article.