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Старый 15.03.2021, 17:21   #2
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Hi Doug
In your case you should connect the top point of the divider to ECU's stable output.
The schematic on the website is for general purposes. Some mazda's AFMs takes voltage from battery as supply. Thats made for compensaing injection time during cranking at cold winter - the lower the voltage , the longer pulse width of the injector.

By the way on L-jetronic, when you will install new maf, you can get lean mixture at high load, even if the output of the converter will be at 255 points. In this case you will need to decrease resistance of the bottom resistor to reduce ref voltage, and retune the conversion table.
On L-jetronic reducing of the ref voltage , will enrich the mixture.

Regards
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