I've just had my 1996 Golf VR6 MOT tested and the engine results are:
Fast idle test
CO 0.04% (max 0.30%)
HC 18 ppm (max 200 ppm)
Lambda 1.00
Natural idle test
CO 0.02% (max 0.50%)
The numbers look pretty good, but I honestly haven't a clue whether they are or not. Comments?
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Pull up
www.motuk.co.uk
Bring up Testers Manual - Section 7 - emmissions.
DVD
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Just had a look at www.motuk.co.uk which is full of useful information. But one thing it doesn't have is a list of limits for petrol engine exhaust gases (which are vehicle specific).
Diesel engines are only subject to a smoke test. This is not vehicle specific, so is fully described in the manual.
Comparing Roger's actual readings to the maximums, his engine looks to be in superb condition. And Lambda=1.00 is spot on.
Ian
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