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ok I've been having issues with running rich I think. I have really smelly exhaust, the exhaust tip is covered in black and I have backfiring when I let off the gas in any gear or sometimes when shifting. no check engine light on, and i know it works. recently changed the 02. I replaced the tps due to ce coming on while at highway speeds, and that fixed that problem. no ce since. I have a cheap air/fuel gauge but that doesnt mean much. afm is from a 89 22re but it tested out fine. ???? Im thinking to start with fixing the tiny exhaust leaks because thats cheap and easy but still doesnt explain the black exhaust tip and nasty stinky smelly fumes. Any help would be great! thanks guys
