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-   -   2012 3.6L pinging/knocking (http://www.jeepgarage.org/f107/2012-3-6l-pinging-knocking-50034.html)

mixer440 11-08-2012 06:17 PM

2012 3.6L pinging/knocking
 
I'm hoping that others here can do a quick test for me. I have a 3.6L 2012 JGC Laredo. Under normal driving load: going up a hill and usually around 2K RPM I get what I would call pinging or knocking. I can't hear it while idling or normal flat running speeds and it's more noticeable with the windows up.

Fredg369 11-09-2012 12:42 AM

Re: 2012 3.6L pinging/knocking
 
You might be hearing the chain that drives the dual overhead cam.

It could also be bad gas. Try a different brand.

runamuck21 11-09-2012 04:42 AM

Re: 2012 3.6L pinging/knocking
 
Bad gas; hopefully


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