Here is the list of public, known Ferrari 348 Motronic 2.7 error codes: Hot wire air flow meter 1111 Engine coolant temp sensor 1112 Throttle potentiometer 1113 Lambda sensor (O2 Sensor typically unplugged or bad ground or bad sensor) 1114 RPM sensor 1121 (this code will be shown if checked when your engine is off) Battery voltage 1122 Secondary air solenoid valve 1123 Purge valve 1124 (the purge valves are marked as part #21 in this diagram) Lambda regulation Additive value for self adaptation (O2 sensor or coolant temperature sensor or MAF) 1211 Lambda regulation multiplicative value for self adaptation 1212 Lambda regulation intake manifold compensation (MAF or O2?) 1212 (1213?) Short circuit on idle regulator 1311 Open circuit on idle regulator 1312 Electronic control unit 1313 Injection valve 1 1411 Injection valve 4 1412 Injection valve 2 1413 Injection valve 3 1414 Malfunction Indicator Lights (MIL) 1444 *dash light burned out Valve 4111 Stroke sensor 4112 Power module not used 4113 TDC control unit recognition 4114 Catalyzer temp ECU 4121 Catalyzer temp too high 4122 Speedometer signal 4123 Compressor connection signal 4131 No error detected 4444 ...all of the error codes above are stored on the Motronic 2.7 eprom, plus these eight previously undocumented faults: 2111 2123 2124 2312 2411 2412 2413 2414
