Help me get through smog. High HC. RESOLVED! IT PASSED!

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MSmethers
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Location: Central Coast, CA
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Post by MSmethers » Fri Dec 03, 2010 10:41 pm

Successfully passed the CA Emissions test today. Results below

[albumimg]3150[/albumimg]

What was the actual problem? Can't pin it down to anything specific. After rebuilding the engine and adjusting the AFM per colin's write-up to an AFR of 14.4-14.7, all it took was about 3/4 turn of leaning out on the mixture screw to get to the posted results.

After another 2 hour wait in the DMV (total of 6 times after getting various daily moving permits and registration, 12 hours of my life I'll never get back) I have new plates in hand and reg process is complete.

Boy, I can hardly wait till 2012 when I get to smog it all over again.

Anyway, thanks for all the help and suggestions.

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Amskeptic
IAC "Help Desk"
IAC "Help Desk"
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Post by Amskeptic » Sat Dec 04, 2010 7:54 pm

MSmethers wrote:Successfully passed the CA Emissions test
Those results are so clean I am nervous. Richen it back up.

Use the wiper adjustment to get 12.5 under full throttle at 55 mph in 4th gear.

Use the black cog adjustment to get 15+ on throttle-off decel.

I have to re-write that entire AFM article, Airkooledchris, thank-you for the use of your LM-1.
Colin
BobD - 78 Bus . . . 112,730 miles
Chloe - 70 bus . . . 217,593 miles
Naranja - 77 Westy . . . 142,970 miles
Pluck - 1973 Squareback . . . . . . 55,600 miles
Alexus - 91 Lexus LS400 . . . 96,675 miles

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