October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Feedback Carburetor Tests W/Codes Expand All (for easy ctrl-f) Collapse All Diagnostic Procedure Entering/Exiting Diagnostic Mode Clearing Trouble Codes Reading Trouble Codes ECM Trouble Code Id Trouble Code Determination (Hard Or Intermittent) Diagnostic Chart Information Diagnostic Tools Trouble Shooting Diagnostic Circuit Check System Performance Check Chart A-1, Dwell Fixed Between 10°-50° Chart A-2, Dwell Fixed Over 50° Chart A-3, Coolant Sensor Circuit Check Chart A-4, "Check Engine" Light Inoperative Chart A-5, TPS Enrichment Check Chart A-6, Won't Flash Code 12 Code 12, No Distributor Reference Pulse To ECM Code 15, Coolant Sensor Circuit Open Code 21, TPS Circuit High Code 23, M/C Solenoid Circuit Low Code 44, Lean Exhaust Indication Code 45, Lean Exhaust Indication Code 51, Prom Chart C1 - ECM Replacement Check Chart Chart C-2A, Stepped Speed Control (SSC) With A/C & A/T Chart C-2B, Stepped Speed Control (SSC) With A/C & A/T Chart C-2C, Stepped Speed Control (SSC) P/S Circuit Chart C-2D, Stepped Speed Control (SSC) With M/T Chart C-4D: Ignition System Check Chart C-6A, Air Management Check Chart C-7C: EGR Valve Check (Non ECM Controlled) Chart C-9D, EFE Circuit Check Component Locations ECM Terminal Id Wiring Diagram