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DME Conundrum

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Old Aug 24, 2011 | 06:31 AM
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DME Conundrum
2008 TT – stock ECU. I regularly check DME readings using Durametric usually before I take the car in for service – I do a before and after. Twice now my “after” readings show an increment of 1 ignition in ranges 1 through 4. I would have thought that with any movement through the rpm band of 6800 to 7900, that any readings would be progressive – more in range 1, less in range 4. How is it possible to get a 1 ignition increment in all 4 ranges especially when there are 3 ignitions per revolution? Thanks.
 
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Old Aug 24, 2011 | 10:02 AM
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Durametric isnt that accurate with DME actual value readings...i always find differences between piwis and durametric readings...
 
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Old Aug 24, 2011 | 10:46 AM
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Originally Posted by skandalis447
Durametric isnt that accurate with DME actual value readings...i always find differences between piwis and durametric readings...
I suspected that too and sent a message to Durametric tech support 3 months ago - never heard back from them.
 
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