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Old 03-06-2008, 04:53 AM   #14 (permalink)
cfg83
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1999 Saturn SW2 - '99 Saturn SW2 Wagon
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diesel_john -

Would this fit the bill? :

LED Duty Cycle Meter for Fuel Injected Cars - US$42.31
http://autospeed.com/shop/category_579/browse.html

Quote:
Ref: High Performance Electronics Projects for Cars - Silicon Chip Publications.
Automatically operate an extra fuel injector or fuel pump etc, when your fuel injector duty cycle reaches a preset level. It measures the exact injection pulse from your ECU, and displays it on a pair of 7 segment LED displays. It offers a super-fast sampling rate to display real time injector pulsing, and the display is mounted on a small remote PCB so it’s suitable for dash mounting. A simple duty cycle generator is included for testing. Kit supplied with PCB, and all electronic components.
I don't think you would need it to operate an extra injector, but it appears to at least show the magic pulse number you are looking for.

CarloSW2
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