KA smog help!!

[ka707de]

So I need to get my car smogged before I sell it but it failed smog the first time and I get one free retest. I am getting it smogged legally!!! the only thing I failed was HC. Engine is an unmodified KA24DE.

37553

Thanks for any help!!

[DJ-of-E]

Time to spend money on these things.

-oxygen sensors
-copper plugs
-distributor cap and rotor.

[Zed Nismo]

^^^^ What he said. Also, I would say to run 87 octane for the test, if you're not already using it. It burns hotter.