Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts - View Single Post - Weird engine noise, bad MPG
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post #1 of (permalink) Old 12-17-2018, 01:04 PM Thread Starter
2006chevycobalt
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Join Date: Dec 2018
Posts: 2
Getting about 20mpg, have this strange clicking noise when i accelerate. What do you guys think it is?

Engine codes
bank 1 o2 sensor
knock sensor [intermittent]



Video below,
https://youtu.be/r7NMXgvdS9w

Last edited by 2006chevycobalt; 12-17-2018 at 01:09 PM.
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