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Oil change neglect

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Oil change neglect

This bulletin applies to 2003-2007 Honda Accord L4, 2002-2010 Civic Si, 2002-2010 CR-V and 2003-2010 Element vehicles.

A damaged or stretched cam chain, resulting from infrequent oil changes, can cause the MIL to illuminate with DTC P0341 (CMP sensor A and CKP sensor incorrect phase detected). Old oil causes the cam chain to wear quickly. As a result, it stretches beyond the point where the cam chain auto-tensioner can keep up. The extra chain slack causes the valve timing control (VTC) actuator and the exhaust camshaft sprocket to lag behind.

Check for a damaged or stretched chain by measuring the cam chain auto-tensioner rod length. If it’s more than 13.5 mm, the chain and auto-tensioner must be replaced.

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