air flow mass through throttle valve

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air flow mass through throttle valve

Postby C2H5OH » Mon Apr 02, 2018 8:26 pm

Hello I'm trying to determine what this map is for - air flow mass through throttle valve Kg/h?

I'm trying to make a ethanol blend map for this vehicle and need to increase the fuel delivery by a set % for say a E30 blend I hoping this is a map that I can edit to do this.
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Re: air flow mass through throttle valve

Postby jurebv » Mon Apr 02, 2018 9:30 pm

Y axis - throttle valve position %
X axis - rpm
Z - air mass in kg/h

I believe you are looking for Lamfa,kflbts for more fuel delivery which again depends on air quantity (more load more torque more fuel)

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Re: air flow mass through throttle valve

Postby C2H5OH » Mon Apr 02, 2018 10:39 pm

jurebv wrote:Y axis - throttle valve position %
X axis - rpm
Z - air mass in kg/h

I believe you are looking for Lamfa,kflbts for more fuel delivery which again depends on air quantity (more load more torque more fuel)


Thank you, One question and sorry if its obvious since I'm new to these systems. Will changing the Lambda maps change the value the ECU is looking for from the sensors or is the map a reference for a delivery value?

So if the map says 1.0 and and I change it to .9 will it target .9 or will is still target 1.0 with a trim of -10% when running on petrol?

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Re: air flow mass through throttle valve

Postby jurebv » Thu Apr 05, 2018 10:01 am

is this me7.5 or?

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Re: air flow mass through throttle valve

Postby C2H5OH » Thu Apr 05, 2018 11:42 pm

BOSCH MED17.2.8 TC1797

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