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Your car is running rich, hence the high Hc content.
Tips to bring the A/F mixture back to OEM spec:
- new OEM coolant temp sensor
- check ignition timing and set to OEM spec
- check fuel pressure
- replace fuel pressure regulator
- check injectors for leaks (rubber O-rings go bad)
To address cooling issue:
- wire a good water temp gauge and diagnose from there. stock unit sucks, you don't even know what temp your car is at
To pass your emissions test:
- "check" all the things in the first list on my post
- inspect catalytic converter (if this is clogged/fucked, it won't clean your emissions) you can replace with a universal for less than $50, but you'll need to weld
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