Scanning RPM during cranking
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Joined: Jun 2018
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Car: 88 GTA
Engine: 355 First TPI
Transmission: T56
Axle/Gears: 4.11
Scanning RPM during cranking
Hey Folks, I am tying to trouble shoot a no injector pulse condition on my GTA. Questions is, when scanning the ECM during cranking should the ECM display RPMs or would that not show up until the car fires.
It seems like no in the part II in the very informative video below....
It seems like no in the part II in the very informative video below....
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: Scanning RPM during cranking
Generally no, the ALDL data stream RPM value isn't calculated until the engine is running (over 400 RPM). However, some data streams output the time between reference pulses.
If available that value can be used to calculate the engine RPM during cranking.
RBob.
If available that value can be used to calculate the engine RPM during cranking.
RBob.
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