Search found 2 matches

by elijah
Wed Oct 06, 2010 7:21 am
Forum: Diagnostic discussion
Topic: Cam/Crank relationship
Replies: 7
Views: 15926

Re: Cam/Crank relationship

Hi Ron You can use your Pico. Hook into ch 1 into cam sensor, ch 2 into crank and ch 3 into a synchronising signal (injector or ignition). Set the trigger on ch3 (rising edge) and the timebase to 200ms (engine takes 150ms to do suck squish, bang and blow at 800 rpm). Move the trigger across the scr...
by elijah
Wed Oct 06, 2010 7:10 am
Forum: Diagnostic discussion
Topic: measurement of secondary ign voltage is a bit odd
Replies: 2
Views: 6411

Re: measurement of secondary ign voltage is a bit odd

My investigation started because my rpm-gauge was fluctuating heavily . It is connected to the wasted-spark ignition coil through 2 diodes and a zener diode on a pinto 2.0 injection engine. I just measured cyl 1 secondary voltage (through capacitive pickup picoscopeprobe) which is going all over th...