Quote:
Originally Posted by Old Tele man
Changing the catalytic converter BEFORE knowing WHY the engine is running TOO RICH is sorta akin to slapping on a larger bandage™ to a hemorrhaging artery and expecting things to immediately get better.
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tl;dr My car has ran well enough that this is the first time I've had to do troubleshooting besides replacing an old oxygen sensor or plugging my MAP sensor back in, as such I don't know what I'm doing the way a grizzled veteran would.
That is why I'm waiting. I was asking if it was running rich or if the cat was old, I think that it is still running rich but I haven't looked at tailpipe emissions results enough to be able to tell the difference TBH. I have until November to pass smog, I smogged it as early as possible so that if I fail smog, I can fix the car at a slower, more affordable pace. I don't have much experience dealing with EFI, most of my time wrenching on emission controls was done on feedback carbs trying to get my dad's car to pass. I don't know much about fighting EFI systems.