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[b4ndit]

The only trouble is that the exhaust test is usually done last as its coming off the ramp some 30-45 mins later. I think a voluntary smoke test might be better before the test. If ok then a test at the same station.

But it shouldn't be Any tester worth his salt should do it immediately on driving the car into the test station (assuming it is warm enough) and we always did, as do the test station(s) I use

+1

[henryd]

1st part of test is the quick test,if readings are not met it then goes into automatic full test mode which takes a while,tester probably aborted it to save time which he shouldn't have done

[Lazydocker]

1st part of test is the quick test,if readings are not met it then goes into automatic full test mode which takes a while,tester probably aborted it to save time which he shouldn't have done

I was waiting for you to confirm what I was thinking

[henryd]

1st part of test is the quick test,if readings are not met it then goes into automatic full test mode which takes a while,tester probably aborted it to save time which he shouldn't have done

I was waiting for you to confirm what I was thinking

Like you I haven't been a tester for many years but as I have between five and ten tests a week done I'm still up on whats going on

[Lazydocker]

1st part of test is the quick test,if readings are not met it then goes into automatic full test mode which takes a while,tester probably aborted it to save time which he shouldn't have done

I was waiting for you to confirm what I was thinking

Like you I haven't been a tester for many years but as I have between five and ten tests a week done I'm still up on whats going on

I don't get many done now as I only look after the family cars now

[henryd]

Here you go Opti

http://www.vosa.gov.uk/vosa/repository/7.3%20Exhaust%20Emissions%20-%20Spark%20Ignition%20BET%20Test.pdf

where it says "cat 1" thats when the full test is carried out if "BET" limits not met

[Field Marshal Dr. Opti]

1st part of test is the quick test,if readings are not met it then goes into automatic full test mode which takes a while,tester probably aborted it to save time which he shouldn't have done

Can confirm......bottom of the emissions fail slip says ABORTED.

[Field Marshal Dr. Opti]

Here you go Opti

http://www.vosa.gov.uk/vosa/repository/7.3%20Exhaust%20Emissions%20-%20Spark%20Ignition%20BET%20Test.pdf

where it says "cat 1" thats when the full test is carried out if "BET" limits not met

Can't get the link up, Henry.

Thanks, Henry......got it working.. I presume that's the 7.3 bit. Any idea what the D.4 bit is?

[henryd]

Here you go Opti

http://www.vosa.gov.uk/vosa/repository/7.3%20Exhaust%20Emissions%20-%20Spark%20Ignition%20BET%20Test.pdf

where it says "cat 1" thats when the full test is carried out if "BET" limits not met

Can't get the link up, Henry.

Bugger,nor can I now

[Lazydocker]

The numbers are just what section it failed under

[Field Marshal Dr. Opti]

Why would the the MOT tester abort the test half way through?

Could his actions have consequences?

It was after 5 pm when he finished the MOT, despite the car being available to test from 2 pm.

Maybe he wanted to get home. Who knows....

[henryd]

Basically the first part of the test is the BET test(basic emissions test),if the limits aren't met during that test the machine should default to the full Cat test which is the part that seems to be missing from your first test

[henryd]

Why would the the MOT tester abort the test half way through?

Could his actions have consequences?

Probably due to the time that the full test can take,engine is held at 2500-3000 revs until limits met or time limit exceeded which takes a while.

[Field Marshal Dr. Opti]

Basically the first part of the test is the BET test(basic emissions test),if the limits aren't met during that test the machine should default to the full Cat test which is the part that seems to be missing from your first test

I'm learning quite a lot from this informative thread.

[Field Marshal Dr. Opti]

Why would the the MOT tester abort the test half way through?

Could his actions have consequences?

Probably due to the time that the full test can take,engine is held at 2500-3000 revs until limits met or time limit exceeded which takes a while.

This doesn't seem like a very professional approach to me, cutting the test short. It may  possibly have passed if he'd been more diligent.