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Author
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Topic: SMOG HELP!!!
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wikaweez
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Member # 7171
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posted
 
 
I just got back from getting my SMOG and I failed at 25 mph. Also, since I didn't have the stock four cats installed and a screw was in a valve used as a plug.
Due the somg rules the 88gt need four cats which they failed me on. Also, the setup I have right now are on Magnaflow-h-pipe w\2 chamber dumps.
I was toild be a friend since the readings below are high during 25mph I need to have my 02's changed. Also, where does the second hose plug into?
CO % NOx (PPM)
15 MPH MAX AVE MEAS MAX AVE MEAS
0.76 0.10 0.00 807 237 14
25 MPH MAX AVE MEAS MAX AVE MEAS
0.65 0.09 0.93 746 199 17
HC (PPM)
15MPH MAX AVE MEAS
121 31 10
25MPH MAX AVE MEAS
14.30 20 53
C02
15mph Meas (15.50)
25mph (14.30)
02
15mph (0.09)
25mph (0.02)
Thanks in advanced
Posts: 108 | From: From Da Bay to SAC/Elk G. | Registered: Oct 2006
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wikaweez
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Member # 7171
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posted
passed at 15mph and failed at 25mph
thanks..
Posts: 108 | From: From Da Bay to SAC/Elk G. | Registered: Oct 2006
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wikaweez
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Member # 7171
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posted
Just to clarigy I have a 2cats in 1 magnaflow h-pipe w\2 chamber flows.. Should I replace the stock h-pipe?
thanks.
Posts: 108 | From: From Da Bay to SAC/Elk G. | Registered: Oct 2006
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CornOil_&_Boost
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Member # 5888
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posted
quote:
Originally posted by wikaweez:
Just to clarigy I have a 2cats in 1 magnaflow h-pipe w\2 chamber flows.. Should I replace the stock h-pipe?
thanks.
it's kind of tough to say...
the B.A.R. says that you need to have cats there....it does not say you have to have 4.
some shops are super strict about it because they are afraid that you HAVE to have 4 cats...
the truth is that you only need 2 to pass....as long as they are there...it'll pass....
also...since you high speed test failed..it IS most likely the O2 sensors and possibly a vacuum leak of some sorts....
but more than likely o2's...just replace them and you should pass fine.....go to a different shop though...because ALL smog techs just learn to check to see if cats are there...if they go into the whole computer system and check something like ALLDATA..you could be failed but more than likely most shops will pass you once they see the cats there...
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'95 Cobra - small engine / small turbo -
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'14 - Chevy Volt - DD
Posts: 5097 | Registered: Jul 2005
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bunchmyfunky
CAFords Drag Racing Mod
Member # 360
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posted
Don't just go and replace your O2's. I failed the 25mph my NOX was in the 800s, turned out to be a bad cat. If I were you I would put the stock H-pipe back on and try again. If it fails I would then take it to a smog shop that does diagnostic's pay the $80 bucks and they will tell you what is wrong. Otherwise you will be throwing a bunch of money blindly into it. Just an FYI I had a non OEM aftermarket cat on that went bad.
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01 GT 5spd
1.76 12.79@105.49
Posts: 2433 | From: Vacaville | Registered: Jul 2001
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wikaweez
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Member # 7171
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posted
Thanks.
Also, i noticed that on line connected to the fuel rail is cut in half and plugged and they said my coolany hose is disconnected. I just checked today and he must have been smokin crack. lol Do you know what size is this hose? Both end are cut in the middle and plugged. I am not sure if the last guy used a fule hose becasue is has white letter marking indication fuel. I need to swap this hose out and changed the oil, clean the intake . Hopefully this should do it. Unless I should install my stock 4 cat h'er I bought here in CAF.
Thanks for the info.
Posts: 108 | From: From Da Bay to SAC/Elk G. | Registered: Oct 2006
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wikaweez
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Member # 7171
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posted
Man rather than buying 4 new cats for the stock I went to a shop out here in sac that had the Magnaflow cat back and kept my 2 chambers dumped on. I just wnet to the wrong shop due to the fact I even failed visually. lol This mark ass even showed me the SMOG bible indicating I need 4 cats. lol
Yeah! I will swap out my 02's and place the stock h-pipe on. On the last note do these o2's come stock the short wire or the long wire? Which one do I buy? Kragen had 2 o2's with a short fuse and a long fuse.
Thanks Man..
Posts: 108 | From: From Da Bay to SAC/Elk G. | Registered: Oct 2006
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adower
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Member # 5955
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posted
U can pickup a stock h pipe with 4 cats for like 40$...
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98 Cobra
Griggs
S Trim
HRE
Posts: 3327 | Registered: Aug 2005
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wikaweez
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Member # 7171
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posted
Thanks! I bought one from svt3773 and decied to use the magnaflows which the smog center denied. lol. I' be swapping out h's before i head out.
thanks
Posts: 108 | From: From Da Bay to SAC/Elk G. | Registered: Oct 2006
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