Quote:
Originally Posted by LiqTenExp
Some issues to look out for when I've had similar oddities with misfires that go beyond the obvious ones you've covered:
1) Coil pack pin within connector not locked in place and backed out (only had misfires at high RPM), would appear in place when not connected (had to do a pull test on the back of each wire to verify they were locked)
2) Plug wires not fully inserted (should get 1 click on plug and 2 clicks on coil pack with stock plug wires)
3) Bad Injector (this was a mid-RPM misfire for me)
If you start seeing the misfire code + differential errors reported on screen that is just a misfire, nothing wrong with diff. May be worth replacing battery for this one.
I assume you are on stock tune based your mod list?
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Thanks for the additional thoughts.
Battery is an interesting topic -- I've seen other threads where the issue was the battery. I'm running an Antigravity 40 Ah battery. It's only about six months old and is always on an OptiMate maintainer when the car is not being driven.
Tune is stock.