Check Engine Light

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Check Engine Light

01-10-2009, 10:20 AM

heckenroth heckenroth is offline

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Join Date: Jan 2009

Posts: 2

My check engine light also came on after my oil was changed and new spark plugs were installed on my 2001 E320 with 49098 miles. The OBD check indicated code PO 170 -fuel trim malfunction -bank number 1. The gas cap is ok . Any idea what to do next

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