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[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.

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.

By rights the full test should be carried out if the BET is failed because on most machines the readings are visible throughout the test and as your's was close you'd think they would have carried on to see if it dropped under 

[Kevin Wood]

The guy was clearly cutting corners to save time. It may well be that he didn't wait long enough for the engine to warm up fully and go "closed loop". With a couple of minutes of fast idle you may well have had a pass, IMHO.

You've paid for the full test to be carried out, Opti, and that's not what you received. I would be complaining to VOSA, personally. At least go back and tell them you want the full emissions test procedure followed as per the tester's manual.

You can threaten to report them to VOSA as an incentive for them to make amends.

EDIT: Oh, and they are required to have an area where you can view the test, so you can make sure they follow the correct procedure.

[Lazydocker]

Yep, there's always the option of complaining to VOSA

[henryd]

Yep, there's always the option of complaining to VOSA

Although it will cost £54-85 for them to test it again which I believe can be re-claimed if the testing station has done wrong

[Kevin Wood]

Yep, there's always the option of complaining to VOSA

Although it will cost £54-85 for them to test it again which I believe can be re-claimed if the testing station has done wrong

I was thinking of making a complaint that the full procedure was not followed, not necessarily disputing the result. They have failed to properly follow the test procedure, so we're not in a position to dispute the result yet, because the result was not properly obtained!

[Field Marshal Dr. Opti]

Yep, there's always the option of complaining to VOSA

Although it will cost £54-85 for them to test it again which I believe can be re-claimed if the testing station has done wrong

I was thinking of making a complaint that the full procedure was not followed, not necessarily disputing the result. They have failed to properly follow the test procedure, so we're not in a position to dispute the result yet, because the result was not properly obtained!

What would  happen if they ( the MOT test station) told VOSA the real facts of the case?......."Car failed to pass 1st fast idle test (lambda), then all subsequent tests were aborted".

How would VOSA respond to this explanation?

[Kevin Wood]

What would  happen if they ( the MOT test station) told VOSA the real facts of the case?......."Car failed to pass 1st fast idle test (lambda), then all subsequent tests were aborted".

How would VOSA respond to this explanation?

They would ask him why he didn't test it following the full procedure in the MOT tester's manual, I would hope.

It would have been quite acceptable to pass the car if, after failing the first fast idle test, it then went on to pass the second test after a few minutes at elevated speed.

[Field Marshal Dr. Opti]

What would  happen if they ( the MOT test station) told VOSA the real facts of the case?......."Car failed to pass 1st fast idle test (lambda), then all subsequent tests were aborted".

How would VOSA respond to this explanation?

They would ask him why he didn't test it following the full procedure in the MOT tester's manual, I would hope.

It would have been quite acceptable to pass the car if, after failing the first fast idle test, it then went on to pass the second test after a few minutes at elevated speed.

Thanks, Kevin. Just as I thought.

Of course, there's no guarantee that the car would have passed the 2nd fast idle test........But I wasn't given the option to find out.

[Kevin Wood]

What would  happen if they ( the MOT test station) told VOSA the real facts of the case?......."Car failed to pass 1st fast idle test (lambda), then all subsequent tests were aborted".

How would VOSA respond to this explanation?

They would ask him why he didn't test it following the full procedure in the MOT tester's manual, I would hope.

It would have been quite acceptable to pass the car if, after failing the first fast idle test, it then went on to pass the second test after a few minutes at elevated speed.

Thanks, Kevin. Just as I thought.

Of course, there's no guarantee that the car would have passed the 2nd fast idle test........But I wasn't given the option to find out.

Indeed.  In fact, my car often needs the second test to pass. Always been like that, and if it's been standing for a while before the test, I'd say it would be normal to need either a good warming-up before the first test or the second test, to ensure a pass. I'm guessing this guy did neither.

The cynic in me wonders if he was looking forward to a round of jobs changing lambda sensors, cats, etc. at random before declaring it a pass, but then that'll be the second time I've been called a cynic today.

[Lazydocker]

What would  happen if they ( the MOT test station) told VOSA the real facts of the case?......."Car failed to pass 1st fast idle test (lambda), then all subsequent tests were aborted".

How would VOSA respond to this explanation?

They would ask him why he didn't test it following the full procedure in the MOT tester's manual, I would hope.

It would have been quite acceptable to pass the car if, after failing the first fast idle test, it then went on to pass the second test after a few minutes at elevated speed.

Thanks, Kevin. Just as I thought.

Of course, there's no guarantee that the car would have passed the 2nd fast idle test........But I wasn't given the option to find out.

Indeed.  In fact, my car often needs the second test to pass. Always been like that, and if it's been standing for a while before the test, I'd say it would be normal to need either a good warming-up before the first test or the second test, to ensure a pass. I'm guessing this guy did neither.

The cynic in me wonders if he was looking forward to a round of jobs changing lambda sensors, cats, etc. at random before declaring it a pass, but then that'll be the second time I've been called a cynic today.

Mu st admit, having been told that they want £1500 for a Cat I was thinking along the same lines

[henryd]

What would  happen if they ( the MOT test station) told VOSA the real facts of the case?......."Car failed to pass 1st fast idle test (lambda), then all subsequent tests were aborted".

How would VOSA respond to this explanation?

They would ask him why he didn't test it following the full procedure in the MOT tester's manual, I would hope.

It would have been quite acceptable to pass the car if, after failing the first fast idle test, it then went on to pass the second test after a few minutes at elevated speed.

Thanks, Kevin. Just as I thought.

Of course, there's no guarantee that the car would have passed the 2nd fast idle test........But I wasn't given the option to find out.

Indeed.  In fact, my car often needs the second test to pass. Always been like that, and if it's been standing for a while before the test, I'd say it would be normal to need either a good warming-up before the first test or the second test, to ensure a pass. I'm guessing this guy did neither.

The cynic in me wonders if he was looking forward to a round of jobs changing lambda sensors, cats, etc. at random before declaring it a pass, but then that'll be the second time I've been called a cynic today.

Mu st admit, having been told that they want £1500 for a Cat I was thinking along the same lines

Sadly,so was I