ecu end as its easier to get too
and its the ecu that does the switching which is what i want to see.
Pretty sure the ecu is fudged anyway as i have no spark on 1+4 and spark drops out on 2+3.

Been playing with a KA this morning which won't start no spark on 1 and 4 checked the wiring back to ecu and its good so i need to check the coil drivers. Live to coil is good. Having very little experience with my pico i don't want to damage a the car or b the scope so need a little help with conne...

Did see the car again today but did my own manual compression test to verify the customers findings and the found a definate mechanical fault.

Will give the test a try on a couple of my vehicles to see if i get similar results or problems.
Thanks James

Signal Strength was 100% all 10 times i tried it. I didn't try loading any higher then just head lights if the customer comes back today i will have a go but he manually tested compression and found it to be low on one bank. I code read and found multiple misfire codes. I think he's already decided ...

Keep getting eratic readings and an error message and it all stops after about 10 secs.
Error - Index was outside the bounds of the array
What is that likely to mean?

cheers tom very helpful will have another go in a minute thanks.

Just tried to use the automotive drop down menu method and sack off the third channel which results in me picking up current and massive interference on channel 1 When i should have 0v i have what looks like a high frequency ac ranging from 4v to -4v what am i doing wrong?

This is probably a very basic and easy thing to do but i want to use my 4 channel automotive scope to read 2 channels of voltage at injectors and one with a current clamp. If i use the automotive drop dopwn menu my nice voltage read out goes mental. If i set up with out that i cannot for the life of...