After-Start Enrichment

1. Connect a test cable to the EHA.
2. Use a 2.5 kOhm resistance at the coolant temp. sensor (to simulate 20°C).
3. Disconnect oxygen sensor.
4. Start the engine.
5. Current at the EHA should rise to 13-19 mA for about 4 seconds with the engine running at a high idle, then drop to a normal engine warm up value of 3-9 mA.
NOTE: The current value at the EHA will decrease with increasing altitude.