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Old 12-26-2008, 03:12 PM   #1
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The Environmental Protection Agency (EPA) has granted Cummins Power Generation Inc a new and limited variation in the emission-related scheduled maintenance interval for the exhaust gas recirculation (EGR) valve for some heavy duty engine families for model years 2007-2009, according to information published Dec.24 in the Federal Register.

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Old 12-30-2008, 04:58 AM   #2
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This "variation" allows Cummins to require routine service of the EGR system at 67k miles rather than the federally mandated minimum of 100k miles. If they had not received the variation, Cummins would have had to perform the necessary maintenance or repairs under warranty, since the engine would fail to meet the federally mandated emission specs somewhere between 67k miles and 100k miles. By granting the "variation" to Cummins, the now-required EGR maintenance at 67k miles becomes an owner responsibility.
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Old 01-23-2009, 04:51 PM   #3
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Is Cummins obligated to notify owners of the changed maitenance schedule?
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