Fuel flow rate l/hr at idle is quite high, Exora Turbo, Reading from Torque Pro
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 Jun 4 2021, 10:02 PM
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Senior Member
4,059 posts Joined: Apr 2010 From: Kuala Lumpur   
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QUOTE(e-lite @ Jun 4 2021, 09:44 PM) What is the flow rate difference between cold start and already warmed idling? Maybe ecu preset more fuel pump in to reduce time to get cold engine warm up. |
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Jun 5 2021, 03:03 PM
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Senior Member
4,059 posts Joined: Apr 2010 From: Kuala Lumpur
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QUOTE(SleeplessEyes @ Jun 5 2021, 10:50 AM) Here is a video of cold start with high idling : U done any modifications? If yes send retune etc so your car brain note for your modificationhttps://streamable.com/4q4rd4 From 2.5L/hr to 3.5L/L, but take into account its idling at 1.2K RPM without touching the accelerator. Normally ECU for all cars will definitely inject more fuel = richer mixture . As seen in the video, the O2 sensor voltage (the one with the Graph), is before the cat converter. Normal 14.7:1 Air Fuel Ratio (AFR) is 0.45-0.5V. Mine is showing 0.7V at idling , fully warmed up . Richer fuel mixture  I will need to check the after cat converter AFR |
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