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Was about to ask the same thing, and considering they don't have tuners/chip a for this 2.9l that aren't cheap Ebay ones ahah.How do you suggest he adjusts the air/fuel mixture on an EFI engine? I don't think you can do this without a chip.
O2 sense is less than 6 mos old. Probably less than 3-4k miles
Put the exhaust system back on it. Problem solved.
That is also pretty much brand new as well. That's what fixed my original mpg issue. Was getting around 6-7mpg then replaced that and now I get about 10-12
I've had this exhaust setup for well over a year, why would that be the cause of an issue I've just started seeing a month ago?
Yes the CEL works, and Ik I have a pretty decent exhaust leak (even though I keep fixing it) at the headers and the y pipe because the clamps aren't worth a crap so the y pipe keeps falling off the headers some so I'll check it again and try to seal it up a different way and see what it does
You know what would work better than duck tape... The stock exhaust.
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