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Passing MOT Emission test by altering Fuel?

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Old 11 November 2003, 10:49 PM
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Scottdot
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Is it possible to pass the emission test with a full decat by altering the fuelling at idle, I was told that this could be done on a Link ECU.
I have a SAFC2 fitted on a MY00 if during the test I reduce the fuelling to -50% @ 1000rpm will it pass?

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Old 11 November 2003, 11:04 PM
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john banks
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No, MOT includes test for lambda and it has to be very close to 1.
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Old 11 November 2003, 11:18 PM
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Cheers John
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Old 12 November 2003, 12:39 AM
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ALi-B
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You may also fail on HC's too as you may induce a lean missfire, letting un-burnt fuel out the exhaust.
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Old 12 November 2003, 06:24 PM
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blitz imp reza
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Bite the bullet and put your old centre cat back in or borrow one of another scoobynetter. Should pass when warmed up.
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