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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MPI) 13A-375 49 A/C relay Engine: After A/C switch: OFF OFF Procedure A/C A/C OFF A/C ON 59 Oxygen Engine: After At excessive 0 mV or less ⇔ 600 − 1,000 mV (altered) Code 7E Variable Engine: After Idling without load 0 − 5°CA − − 2,500 r/min without any 8 − 12°CA 12 5 Air flow • Engine coolant temperature: 80 • Lamps, electric cooling fan and • Transmission: Neutral Idle operation 19 − 6.7 gm/s − − 2,500 r/min 7.9 − 12.1 gm/s Acceleration According to 13 5 Intake air Ignition switch: Intake air temperature: −20°C Code No. Intake air temperature: °C 0 °C Intake air temperature: °C 20 °C Intake air temperature: °C 40 °C Intake air temperature: °C 80 ° C 21 5 Engine Ignition switch: Coolant temperature: −20°C Code No. Coolant temperature: °C 0 °C Coolant temperature: °C 20 °C Coolant temperature: °C 40 °C Coolant temperature: °C 80 °C Item Inspection Inspection condition Normal condition Inspection Reference |