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 System Expand All (for easy ctrl-f) Collapse All Description Operation Testing Diagnostic System Trouble Codes Diagnostic Procedure Diagnostic Circuit Check Driver Complaint System Performance Check Dwell Fixed Under 10°, Chart 1 Dwell Fixed Between 10-80°, Chart 2 Dwell Fixed Over 80°, Chart 3 Idle Switch & Wot Switch Circuit Check, Chart 4 "Check Engine" Light Inoperative, Chart 5 Won't Flash Code 12, Chart 6 Code 12, Chart 7 - No Reference Pulses To ECM Code 13, Chart 8 - Open Oxygen Sensor Circuit Code 14, Chart 9 - Shorted Coolant Sensor CKT Code 21, Chart 10 - Idle Switch CKT Open Or Wot Switch CKT Shorted Open Coolant Sensor Circuit Code 15, Chart 11 Code 22, Chart 12 - Fuel Cut Solenoid CKT Open Or Grounded Code 23, Chart 13 - M/C Solenoid CKT Open Or Closed Code 31, Chart 14 - No Reference Signal Code 25, Chart 15 - A/S Solenoid CKT Open Or Grounded Code 44, Chart 16 - O2 Sensor (Lean Indication) Code 45, Chart 17 - Oxygen Sensor (Rich Indication) Code 51, Chart 18 - Constant High Voltage From Fuel Cut (F/C) Solenoid To ECM Code 52, Chart 19 - Ram Problem Code 53, Chart 20 - Constant High Voltage From Air Switching (A/S) Solenoid To ECM Code 54, Chart 21 - Constant High Voltage From Vacuum Control (V/C) Solenoid To ECM Chart 22 - Idle & Wot Switches Assembly Check Code 55, Chart 23 - A/C Converter Problem Chart 24 - Air Management Check Chart 25 - Carburetor Mixture Control (M/C) Solenoid Check Removal & Installation Wiring Diagrams