75ZT CommunityA social community of enthusiasts, owners, appreciators and collectors. With expert knowledge of all things from MG to Rover and beyond.2012-04-12T18:39:34+00:00https://www.75ztcommunity.co.uk/feed.php?f=27&t=5342&mode2012-04-12T18:39:34+00:002012-04-12T18:39:34+00:00https://www.75ztcommunity.co.uk/viewtopic.php?t=5342&p=48419#p48419
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]]>2012-04-12T15:48:47+00:002012-04-12T15:48:47+00:00https://www.75ztcommunity.co.uk/viewtopic.php?t=5342&p=48406#p48406 Without a MAF it's used alongside the engine RPM and throttle opening to determine the airflow into the engine, usually in petrol engines.
They are sometimes used with MAFs as well, especially on turbo engines where they are a measure of boost pressure, at least in diesels with no throttle.
They can also be used as a cross check to see if other signals are sensible.
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