This bulletin applies to 2008-2010 Chrysler Sebring models equipped with the 2.4L engine and 4-speed automatic transmission, built before June 8, 2010. The MIL may illuminate, with DTC P2270 stored (O2 sensor 1 / 2 signal biased lean).
Using a scan tool (wiTECH) with the appropriate diagnostic procedure available in TechCONNECT, verify that all engine systems are functioning as designed. If DTCs other than the one listed here, record and repair as needed before proceeding.
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