Quote:
Originally Posted by DEpointfive0
Not sure if that's anecdotal or not because OP has a Mitsubishi.
OP, try Seafoam in the intake and gas, also, try a bottle of that Guartanteed to Pass crap they sell at VatoZone for $20. My friend's POS Miata went from failing really badly to passing within 1 percent of the failure mark.
Just make sure you get the car running and hot as all hell before you take it in
The other thing... You're not in CA, so honestly, I'd buy a cheap 49 state approved cat and slap it on. Parts are probably $80, labor probably another $20-30 to weld it in, and you can sell the old cat for some money on craigslist
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Good suggestions. He did the autozone pass and had maginal improvment but, still a failure. I'll try the seafoam and see where we are at. I know jack shiet about how far/ bad his original test was off othe than the difference in the numbers. I guess the issue is I'm not sure what to expect with changing things out.