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.

Cold Start Enrichment

Connect test harness between differential pressure regulator and vehicle harness. See Fig 1 . Connect multimeter to test harness. Disconnect wiring from coolant temperature sensor. Turn ignition on. Differential pressure regulator current should be 80-110 mA. If not, replace ECU.

Fig 1: Connecting Multimeter to Differential Pressure Regulator