Replace knock sensor harness when replacing head gasket: Toyota Camry Engine & Powertrain

Problem overview

The head gaskets are prone to leaks in as little as 60,000 miles. When the head gasket is replaced, the knock sensor harness should be replaced as well, as it can be damaged by leaky head gaskets, resulting in a serious decrease in fuel efficiency or in long term engine damage.

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Toyota Camry vehicles with this problem

3 model years affected

Repairs related to this problem

Head Gasket Replacement

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Replace knock sensor harness when replacing head gasket on Toyota Camry

Problem overview

Toyota Camry vehicles with this problem

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