injector bank issue
07-31-2010, 12:37 PM
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injector bank issue I've got an LS6 swap in an Miata controlled by an '04 GTO PCM with a vanilla mailorder tune to delete the basics. I figured I'd pick up HPtuners to see what the hell is going on.
The problem is the bank 2 02 drops down to zero and ST goes through the roof while the bank 1 02 gets pegged.
I checked for spark and the coil packs look OK. I decided to pull the injector clips one at a time and if I pull a clip on either side and then reconnect it the problem seems to fix itself, at least for a while.
Attached is the *.hpl showing the whacked out 02 and fuel trims and then showing them settle down when any injector is disconnected then reconnected.
Any ideas? Bad injectors? Should I swap bank 1 injectors for bank 2 injectors and see if the problem switches sides?
Thanks,
Frank
The problem is the bank 2 02 drops down to zero and ST goes through the roof while the bank 1 02 gets pegged.
I checked for spark and the coil packs look OK. I decided to pull the injector clips one at a time and if I pull a clip on either side and then reconnect it the problem seems to fix itself, at least for a while.
Attached is the *.hpl showing the whacked out 02 and fuel trims and then showing them settle down when any injector is disconnected then reconnected.
Any ideas? Bad injectors? Should I swap bank 1 injectors for bank 2 injectors and see if the problem switches sides?
Thanks,
Frank
07-31-2010, 05:02 PM
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It has. But wouldn't swapping the all 4 pax injectors to driver side and having the same issue with the pax O2 indicate it's not an injector issue?
07-31-2010, 10:35 PM
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I think I see what you mean. Swap the actual plug wiring on the same side. Will try.
I did replace an O2s before from an OEM from Denso to a univeral where I had to wire in the plug. But after I swapped them side to side there was no difference.
Rockauto has denso OEMs with plug at 37 so I'll pick up a couple just to have and try but I doubt this is the issue.
Frank
I did replace an O2s before from an OEM from Denso to a univeral where I had to wire in the plug. But after I swapped them side to side there was no difference.
Rockauto has denso OEMs with plug at 37 so I'll pick up a couple just to have and try but I doubt this is the issue.
Frank
Last edited by fmowry; 08-01-2010 at 11:04 AM. Reason: drunk posting didn't make sense.
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