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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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09-21-2011, 01:32 PM | #1 |
Leaky Injector
Join Date: Jan 2011
Location: Irvine, CA
Age: 30
Posts: 54
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Help Needed. Smog Test in Orange County
Got a Prelim Smog test done on my s14 for California.
I am from Washington, Now in Aliso Viejo. The only Engine Mods are. Injen Intake Tanabe CarExhaust My readings are at "Idle" are. Gas HC......PPM: 1085 CO........%: 3.24 CO2......%: 9.6 O2........%: 2.6 NO(X)...PPM: 224 P.E.F...: 0.474 What should i do to fix it? PM me or reply to the Thread. Thank you!!!! |
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09-21-2011, 06:22 PM | #3 |
Zilvia Member
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You should move away from Cali! lol. On another note like the previous person said what gasses failed and what are the max allowed in the smog test? I want to say its the exhaust. My brother had to swap a stock exhaust on his car for it to pass smog, then once he passed he swapped his exhaust back on. I honestly do not know how you guys do it out there with how strict Cali is...
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09-24-2011, 01:28 AM | #5 |
Zilvia FREAK!
Join Date: Sep 2003
Location: Ohio
Age: 33
Posts: 1,147
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He failed on HydroCarbons. The engine is running very rich and not efficient at all (CO2 is WAY down, should be around 12%-higher for that engine). I'd start looking for a lazy O2 sensor, or a lean misfire (making the engine not burn the raw fuel, IE hydrocarbons). You'll need a scope (optimally) to check the O2 sensor for being stuck on the rich side. If you're not familiar with diagnosing emissions related components, take it to a shop who knows what they're doing. Emissions can be a PITA if you're unsure, and can be a lot of wasted money at the 'throw this part in' mentality.
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In search of a Zenki S14 right side (passenger) fender and straight hood that are rust free. |
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orange county, s14, smog, test |
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