Year of Manufacture *: 2006
Engine Size and Code *: Z22YH
( Optional ) Scanner Used: Vaux-com & Picoscope
( Optional) Fault Codes: No codes stored
After a hand full of tests, the WPS uncovered the issue...
On inspection the chain was loose and inlet cam was out...
These are not easy to check manually, so the WPS was a great advantage in this case...
There are few other details in the capture that also give some clues, but the obvious one is the negative drop as pointed out...
Darren
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