Find the “offending components” in the first three pictures? 1_TCHvalve-9302228.jpg 2_TCHvalve-9302225.jpg 3_TCHvalve-9302230.jpg The second intake valve rocker arm wasn’t where it was supposed to be. It was behind the spring pointing straight up never pushing the valve down. No wonder the Toyota Ca...

Steve, thank you and Pico very much for providing the critical analysis and pivotal suggestion/question leading to the diagnosis of my TCH misfire problem. That question was: "Can we inspect inlet ports ... and most importantly the valve lift of cylinder 1 inlet valves". To answer your question, I p...

Steve, thank you very much for your cogent analysis and guidance. You have identified the problem with the Cyl#1 data; it was not at wide open throttle (WOT)! In fact, the Cyl#2 data was probably not WOT either. And by the time I got to these tests, the engine had cooled considerably also. You are v...

Steve, thank you for the information and suggestions on my Toyota Camry Hybrid (TCH), XLE, 2.5L, 2012 misfire. The misfire is noticeably present in three cases: 1) cold start, 2) upon ICE shutdown transition to EV while moving, and 3) under load such as heavy throttle to the floor going from 50 to 7...

This is my first post. Since I received my new PicoScope 4425A some days ago, I find it easy to use and rapidly gather gobs of data. It is considerably harder to interpret the data to identify problems from unique characteristics. I look forward to comparing my data to those in the waveform library....