Ford Escort - 97 1.8 failed MoT on emissions - high Lambda readi - Dog
>>and then by having the engine revved to a full 6,500rpm and held there for 30 seconds<<
That amounts to GBH in my books ... its belt drive I take it (jeez!)
Bad enough being present for a diesel smoke test on my cared for £28k Merc.
Re: the PCV valve, I've actually seen injuns whereby the owners have stripped & rebuilt the critters,
all for the want of a new PCV valve or a blocked breather.