Special tool shifted the injector with no trouble at all. A lovely mix of tubes, plates, and bearings, mostly derived from old Rover 2000 scrap bits (possibly worth more than the van that I am working-on :roll: ). It took a few hours to get the tool correct, then a few minutes to pull the injector. ...

I see it seems to pop through the instrument cluster, then through underbonnet fuse box then onto the ECU. Would these other components cause the track 2 voltage to drop out? The 5volts remains constant for the tracks, and I'm measuring at the pedal. I could understand it happening if I were testin...

Looks like something switching at a period of 320ms constantly, probably on the track 2 voltage positive line. Seems to be a proportional drop-out depending on the sensor output signal, as you can just see the same drop-out throughout the APP = 0% part of the trace. Would that conclusively make it a...

Indeed, Landrover recognised that the sprockets could be interchanged, and that the signals would be wrong for the respective controllers. If my memory serves me correct, the old camshaft sprocket would only output one pulse per 2 engine revolutions, whereas that latter sprocket was four pulses per ...

In the attached file you can see a good piece injector working. Regards Yes, that's a good trace, and illustrates the point you make about the charge on and off the piezo stack perfectly. I still cannot budge this faulty injector - not helped by the puddle of water that reappeared on top of the eng...

I didn't do the trace to identify the cylinder that was misfiring; something that I have done before with common-rail diesels is to touch the injector feed pipes with a finger whilst the engine is idling - problems with injector needle control often feel like a "buzz" through the pipe wall, rather t...

Overlaying cylinders 1 and 4 for a single cycle, there doesn't seem to be anything between them. Down to the subtle oscillations into the manifolds, both compare well. So unless the companion cylinder shows something dramatically affected by the faulty cylinder, then the problem is not going to be s...

Is this the Chevy LS1 engine? If so, it looks like it would be an easy swap to move the injectors over on this cylinder and its adjacent cylinder. Have you done this yet, just to see that the misfire stays with the cylinder you have measured in the Pico trace? I put a 1kHz low pass filter on your tr...

from memory they should be around 180 Kohms. And indeed, you were absolutely bang-on the values here. Many apologies for quoting rubbish off the top of my head. I checked my notes again this afternoon, and the centre two injectors were each 178kohms, very similar to each other. The injector that I ...

Plus two on the scannerdanner book (Paul Danner). He goes to quite a bit of effort to explain the 'scope setup on his YouTube videos as well, so if you have a bit of basic grounding on how to set the 'scope up, then these videos can give you another step-up on understanding and using the Pico tools....