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Author
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Topic: Failed Smog 3 Times in 2 Weeks
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SWERVN50
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Member # 6854
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posted
 
 
Any tips on passing smog. I Tried a Few but WTF!
I failed it 2 weeks ago, so I took it to a shop that knows somewhat about smog, they said it needs a tune up and new 02's, so I tune it up and get new 02's. Saturday I took it to get a re-test and it failed again, only that this time it passed 1 of the 2 tests. Okay so the Tech tells me he'll run it again in about 30min and he say's drive it on the freeway and come back. I hop on the freeway drive to Fremont swoop up my cousin, head back to the smog shop. I wait about 30min. he runs it again and this time the numbers were way off and I fail again. He said the engine was to hot. WTF. he said he fucked up because he didn't know it was dual exhaust. this cat seemed hella PUZZLED. My cousin knows this cat by coincidence and he did't charge me a dime.
All this over SMOG. Any Advise would help?I can post up the numbers if anyone knows about smog!
Posts: 87 | From: Union City | Registered: Jun 2006
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925five.0
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Member # 3292
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posted
are u failing the visual or emissions part? is all your smog parts in tact?
Posts: 559 | From: -925- | Registered: Sep 2003
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SWERVN50
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Member # 6854
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posted
I pass visual. Not Emissions, I have stock 302 with hi-flow exhaust 2 cats, and 2 chamber flows.
thats it.
Posts: 87 | From: Union City | Registered: Jun 2006
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venomous99
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Member # 1917
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posted
maybe u need new cats.
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MKII Q7
89LX
Posts: 4811 | From: dc | Registered: Oct 2002
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SWERVN50
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Member # 6854
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posted
Im gona try putting the stock H pipe with the 4 cats on, but I've passed before with this hi-flow. Any one know a good shop that knows about smog and 5.0's. In the eastbay preferably.
Posts: 87 | From: Union City | Registered: Jun 2006
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92stangLX
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Member # 3252
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posted
Post up your results. It could be your cats or your EGR valve. However, until you post up your numbers it will be hard to tell.
Posts: 5302 | From: San Francisco | Registered: Sep 2003
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the walrus
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Member # 6010
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posted
If you are running 14* timing put it back to stock 10*, this made the difference in me passing last time.
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1992 LX Hatch 13.9@99, sold and bought back after 11 years and restored.
1965 FFR Cobra (sold)
2003 Mach 1 (sold)
Moved from Sac, CA to SLC, UT
Posts: 281 | From: SLC, UT | Registered: Sep 2005
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SWERVN50
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Member # 6854
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posted
The shit didnt come out right.
My bad.
Its in pdf.
Posts: 87 | From: Union City | Registered: Jun 2006
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SWERVN50
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Member # 6854
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posted
Test 1
HC (PPM)
MAX AVE MEAS
15mph 121 31 121 Pass
25mph 96 20 98 Fail
Teste 2
NO (PPM)
MAX AVE MEAS
15mph 807 237 494 Pass
25mph 746 199 1093 Fail
These are the Numbers that caused me to fail.
sorry cound't post the rest.
Posts: 87 | From: Union City | Registered: Jun 2006
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BlueOvalRacing
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Member # 1531
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posted
The high hydrocarbons could be caused by the high flow cats, try the stock 4 cat h-pipe.
The high nox is caused by the egr system not allowing enough exhaust gases back into the combustion chamber. make sure that the egr hoses from the egr valve to the solenoid aren't cracked/leaking.
Also, check the hoses from your smog pump to the metal tube going down to the cats. If there are any leaks, the smog pump cannot provide enough downstream air to the cats to burn off the excess fuel.
Posts: 1159 | From: Pioneer | Registered: Jul 2002
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westgate331
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Member # 6670
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posted
i got the answer give me a call raul 916-437-9150
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raul
Posts: 11 | From: sac | Registered: Mar 2006
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