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Registered User
Join Date: Feb 2015
Posts: 13
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Engine operating hours - negative number?
I have run a dme report on my car and found that there are 2824 ignition cycles in range 1 and only one in range two at 233 hours.
Interesting info, but what puzzled me is the total operating hours count: -3143. How is possible that this value is negative? The car has about 90k miles on. 2004 C4S whit what appeared to be the original engine stamp 
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11-05-2018, 06:38 PM
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Registered
Join Date: Oct 2012
Location: Peoria, Arizona and Big Rock, IL
Posts: 296
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I was told by an expert that they have seen a case where tuning the ECU can cause some of the data to be implausible. They suggested tuning back to stock.
We had the factory PIWIS scanner, a Durametric and one other high-end scanner that all had the curious results.
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11-06-2018, 04:20 AM
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