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nopes

The pump is physically broken I think, Cant get over 50psi high pressure anymore. During the run At WOT, low side pressure = 62 to 70psi.
IPW average bank 1 & 2 = 5.3ms
breaking a $1000 HPFP was...

Hi all.
2021 Camaro ZL1, LT4 engine, Manual Trans. Mods: 2" Headers, Intake, Cat delete, DSX flex fuel Sensor.

Curious if anyone has come into issues with a failed High Pressure Fuel Pump (HPFP)...

The issue is also on my stock o2 sensors. Look at Bank1 AFR on the lowest graph in my latest log. 145768

ok thanks for your input. Ya ZL1 Supercharged LT4
this is 93 octane mixed with E85 to about 45% Ethanol.
What I see is the AFR for Bank1 squiggly line almost like interference. And then I don't...

Thanks, attached is the log.

145728

I've tried searching other posts for a similar situation but haven't see any good answers.
2021 Camaro ZL1.

MPVI3 with Pro Link+, AEM Wideband 30-0300. Wired with the 5v white wire to red...