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August 1, 2010 Service bulletin

Hyundai: DTC P2135/P0638 or cold engine RPM fluctuation; tps replacement and ECM update. some 2.7L, 3.3L...

Hyundai technical service bulletin TSB-10-FL-010 for 2006-2009 Hyundai Sonata, 2007-2009 Hyundai Santa Fe and 2009-2010 Hyundai Genesis and others.

Bulletin number
TSB-10-FL-010
Component
Engine and engine cooling: engine
Summary
Hyundai: dtc p2135/p0638 or cold engine RPM fluctuation; tps replacement and ECM update. Some 2.7l, 3.3l or 3.8l engines in models identified in the applicability list may experience one or more of the conditions listed.

Owners of these vehicles have filed 695 complaints in the engine category.

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