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Dave Nova
Dave Nova, Chevrolet Technician
Category: Chevy
Satisfied Customers: 19451
Experience:  ASE Master Certification. GM World Class Certification
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2006 cobalt: it to replace a knock sensor..cylinder engine

Customer Question

How difficult is it to replace a knock sensor on a 2006 cobalt 4 cylinder engine?
Submitted: 6 years ago.
Category: Chevy
Expert:  Dave Nova replied 6 years ago.

Hello and welcome to justanswer.

 

The knock sensor is relatively easy to replace.

 

Do you have the 2.0 or the 2.2 or the 2.4 liter engine?

Customer: replied 6 years ago.
2.2
Expert:  Dave Nova replied 6 years ago.

Thanks for the info.

 

The starter must be removed first to access the knock sensor. The knock sensor is on the side of the block, facing the radiator, above the starter. The knock sensor is held in place with one bolt. When installing the new knock sensor, make sure not to overtighten the mounting bolt. Tighten to 18 ft. lb.

 

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Customer: replied 6 years ago.
How imperitive is it that the sensor be replaced immediately
Expert:  Dave Nova replied 6 years ago.
It is not that imperative. The computer will not fully advance the timing so you may have a loss of a few mpg, but other than that, no harm will result.

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