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Old 06-23-2021, 01:16 PM   #10
UnknownJinX

 
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Drives: 19 Chevrolet Camaro 2SS 1LE Shock
Join Date: Apr 2020
Location: BC, Canada
Posts: 1,947
Flashing CEL is always a misfire. No other conditions can make the CEL flash.

Fuel starvation sounds likely. I personally never let the fuel level go below 1/4 tank at a track; it's just a habit from my RX-8 days.

There was also a guy running a 2.0T at an open lapping day I went to who also had some issues when his fuel level was very low.

As for lifter failure, I doubt it. I once worked on a Toyota Highlander V6 that somehow dropped a valve spring and no one in their right mind could just ignore the vibration. Also, manuals also have the AFM lifters, they are just never activated. Very few failures related to them are reported.

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Current:
2019 Chevrolet Camaro 2SS 1LE M6 Shock

GM Performance Intake and that's it, because driver mods before car mods

Past:
2009 Mazda RX-8 GT M6 Velocity Red Mica (Sold)
2015 Chevrolet Corvette Z51 2LT M7 Velocity Yellow Tintcoat (Flood totaled)
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