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ike84 · 07-17-2021, 09:03 PM

I know this isn't gonna help but here goes

Isolated bank 1 misfires confuse me. There aren't any vacuum lines that are isolated to that intake runner. Everything runs to either before the TB or the back side.of bank 2 (where the brake booster line, fuel pressure regulator, and flapper valve attachment are located).

You said you checked the plenum boots - what about the crossover pipe boots? There could be a crack in that.

Did you recently work on the injectors? Maybe one isn't seated properly.

I can't imagine how the runner gasket has gone bad, but I understand your logic though.

Simple thought but have you cleaned your maf recently?

Also, did you get your o2 sensors plugged up properly?

Sent from my SM-G970U1 using Tapatalk

07-17-2021, 09:03 PM	#35
ike84 Registered User Join Date: Oct 2020 Location: KY Posts: 1,214	I know this isn't gonna help but here goes Isolated bank 1 misfires confuse me. There aren't any vacuum lines that are isolated to that intake runner. Everything runs to either before the TB or the back side.of bank 2 (where the brake booster line, fuel pressure regulator, and flapper valve attachment are located). You said you checked the plenum boots - what about the crossover pipe boots? There could be a crack in that. Did you recently work on the injectors? Maybe one isn't seated properly. I can't imagine how the runner gasket has gone bad, but I understand your logic though. Simple thought but have you cleaned your maf recently? Also, did you get your o2 sensors plugged up properly? Sent from my SM-G970U1 using Tapatalk __________________ 2000 Box Base, Renegade Stage 1 performance mods complete, more to come When the owners manual says that the laws of physics can't be broken by this car, I took it as a challenge... Last edited by ike84; 07-17-2021 at 09:08 PM.