Search found 3 matches

by OwhangoAE
Mon Sep 13, 2021 8:18 am
Forum: PicoDiagnostics software
Topic: 2011 Mazda CX-7 in cylinder waveform
Replies: 5
Views: 12573

Re: 2011 Mazda CX-7 in cylinder waveform

3 wire ignition coil disconnected and CHB + on trigger signal CHB - on engine earth. I do also believe there may be an engine earth problem and have asked garage to check all these. But if there is a mechanical problem, it would be nice to identify areas of interest.
by OwhangoAE
Fri Sep 10, 2021 11:48 pm
Forum: PicoDiagnostics software
Topic: 2011 Mazda CX-7 in cylinder waveform
Replies: 5
Views: 12573

Re: 2011 Mazda CX-7 in cylinder waveform

Yes I have learned that leaning towers point to a mechanical issue. I did take a capture with cam sensor and ignition. Unfortunately the ignition was shut down to cylinder under test while capturing cam signal. I have included two psdata files. The one with ignition trigger was crank no start. The o...
by OwhangoAE
Wed Sep 08, 2021 7:55 pm
Forum: PicoDiagnostics software
Topic: 2011 Mazda CX-7 in cylinder waveform
Replies: 5
Views: 12573

2011 Mazda CX-7 in cylinder waveform

Start and stop fault. No fault codes. Still learning how to interpret these wave forms. Can anybody help shed some light on what may be happening in this waveform. Zoomed in on while engine was actually running for a few seconds. Could this be a lifter problem, or are we looking at a possible exhaus...