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.
Engine Controls - Tests W/Codes - 2.5L Expand All (for easy ctrl-f) Collapse All Introduction Self-Diagnostic System Diagnostic Flow Charts For Codes: 13 To 55 Notes Code 13, Open Oxygen Sensor Circuit Code 14, Coolant Temperature Sensor Signal Voltage Low Code 15, Coolant Temperature Sensor Signal Voltage High Code 21, Throttle Position Sensor Signal Voltage High Code 22, Throttle Position Sensor Signal Voltage Low Code 23, Mat Sensor Signal Voltage High Code 24, Vehicle Speed Sensor (VSS) Code 25, Mat Sensor Signal Voltage Low Code 32, EGR System Error Code 33, Map Sensor Signal Voltage High Code 34, Map Sensor Signal Voltage Low Code 35, IAC Idle Speed Error Code 35, IAC Idle Speed Error Using Tech I Code 42, Est Circuit Open Or Grounded Code 43, ESC Error Without ESC Module Code 44, Lean Exhaust Indication Code 45, Rich Exhaust Indication Code 51, Faulty Prom/Mem-Cal Code 52, Faulty CALPAK Code 53, System OVERVOLTAGE