Thread: MOT Fail - Emissions - Probably Cats
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Old 10th April 2018, 07:49 PM
Mechcanico Lee Mechcanico Lee is offline
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Join Date: Jul 2015
Location: St Helens Haydock
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Can you post all gas readings off print out

Are pre cat Lamdas 5 wire wide band ?

What is short term fuel trim doing at idle and at say 2500 rpms
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