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Old 07-03-2019, 07:07 PM   #74
aemravan
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Join Date: May 2019
Drives: 2013 Scion FR-S
Location: Charlotte, NC
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It developed after about 35 minutes of running after I revved it to 4k to warm up coolant while I park.

It was not showing any codes at the time, I had a blutooth scanner connected at the time.

Sounded like it came from the front. I took off the intake manifold now and so far looks like all the valves are activating... but too sunny to fully see. I'll check soon. And also didnt hear anything abnormal. Starting to think it may have something to do with the tensioner and chain slapping around ??

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