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Author
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Topic: smog test results??
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quicksilver91
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Member # 9034
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posted
 
 
can anyone help me with what i have to do to my car to get it to pass from the results of the smog test.
Thanks, Mike
http://yfrog.com/epscan0004ggj
[ August 24, 2010, 11:43 PM: Message edited by: quicksilver91 ]
Posts: 114 | From: san ramon | Registered: Mar 2009
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Sydewayz_Stan
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Member # 10217
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posted
well...
hc could be high from incomplete combustion may need a tune-up (plugs, cap, rotor, wires)
nox could be high from bad egr system or smog pump system
and was the check engine light on?
might want to check the egr or o2 sensors for bad codes.
there is some stuff i'm missing someone else will fill in im sure.
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-90 Vert-SOLD
-91 Notch-SOLD
-2000 Explorer 5.0-SOLD
-72 Maverick-SOLD
-2004 GT, vortech V2 si, 10 psi-
-2002 F150 supercrew-
Posts: 3432 | From: 707 vallejo/richmond 510 | Registered: Aug 2010
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quicksilver91
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Member # 9034
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posted
Yes check engine light is on
Posts: 114 | From: san ramon | Registered: Mar 2009
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quicksilver91
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Member # 9034
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posted
Thanks anyone else have any ideas??
Posts: 114 | From: san ramon | Registered: Mar 2009
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copcar
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Member # 10113
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posted
You are going to have to find out the cause of the check engine light. EGR delete? O2's? Pull codes and post them.
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12.37@ 109.34.NA 894DA Old Nitto 555 DR's Gt40 irons. B cam/1.7's, All emissions equipment on the car, stock air box. UPR catted X pipe.
Posts: 485 | Registered: Jun 2010
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quicksilver91
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Member # 9034
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posted
You should be able to zoom i'm when u open it, I'll try to post a bigger one.
Posts: 114 | From: san ramon | Registered: Mar 2009
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alexdel209
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Member # 9239
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posted
if you just wana pass smog a cat will do it the cat will cut down the nox and hc. if you want it to run clean and pass smog do o2 sensors and a cat
Posts: 1087 | From: 209, ca | Registered: Jun 2009
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quicksilver91
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Member # 9034
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posted
It has a stock hpipe,I believe one of the cats are bad, so that may be a problem and I haven't checked the o2s yet.
Posts: 114 | From: san ramon | Registered: Mar 2009
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alexdel209
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Member # 9239
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posted
yeah your nox is high because ur cats are weak ur hc could be from bda o2s and weak cats put new o2s on there and good cats ur garanteed pass
Posts: 1087 | From: 209, ca | Registered: Jun 2009
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quicksilver91
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Member # 9034
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posted
I have a bassani x with high flowcats in good condition, I've heard that it will pass from ppl, but when I called bassani they said that it won't pass ca smog emissions is this true?? O2s will be next
Posts: 114 | From: san ramon | Registered: Mar 2009
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Sydewayz_Stan
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Member # 10217
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posted
it could be the cats, what led me to believe that you should check other things first is this:
1) cats are more expensive (unless you find a deal),
2) the carbon monoxide was in acceptable range which is the main gas that cats convert (i think),
3) bad cats dont cause a check engine light
like suggested above, find the source of the check engine light first, then move on from there, the fix for that might solve your problem.
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-90 Vert-SOLD
-91 Notch-SOLD
-2000 Explorer 5.0-SOLD
-72 Maverick-SOLD
-2004 GT, vortech V2 si, 10 psi-
-2002 F150 supercrew-
Posts: 3432 | From: 707 vallejo/richmond 510 | Registered: Aug 2010
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quicksilver91
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Member # 9034
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posted
And I do that by hooking up a scanner to it..??
Posts: 114 | From: san ramon | Registered: Mar 2009
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Sydewayz_Stan
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Member # 10217
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posted
this may help:
diagnosing high emissions
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-90 Vert-SOLD
-91 Notch-SOLD
-2000 Explorer 5.0-SOLD
-72 Maverick-SOLD
-2004 GT, vortech V2 si, 10 psi-
-2002 F150 supercrew-
Posts: 3432 | From: 707 vallejo/richmond 510 | Registered: Aug 2010
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alexdel209
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Member # 9239
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posted
bad cats would cause i check engine light for cat efficincy. and yeah cats are most expensive but seeing how you are failing and are borderline nox and hc thats what its going to be
Posts: 1087 | From: 209, ca | Registered: Jun 2009
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Sydewayz_Stan
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Member # 10217
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posted
yea either rent/borrow a scanner, or take it to a shop. i cant see it being that expensive for the shop to just TELL you what codes it is.
--------------------
-90 Vert-SOLD
-91 Notch-SOLD
-2000 Explorer 5.0-SOLD
-72 Maverick-SOLD
-2004 GT, vortech V2 si, 10 psi-
-2002 F150 supercrew-
Posts: 3432 | From: 707 vallejo/richmond 510 | Registered: Aug 2010
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quicksilver91
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Member # 9034
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posted
Ok thanks alot guys I appreciate the info! I'll let u know how it goes
Posts: 114 | From: san ramon | Registered: Mar 2009
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alexdel209
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Member # 9239
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posted
yeah just take it to a smog shhop tell the you have a chel engine light they should sacan it for you because they want you to come back for the smog and let us know what they say. im just speaking from expirience because i smog about 20 cars a day
Posts: 1087 | From: 209, ca | Registered: Jun 2009
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quicksilver91
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Member # 9034
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posted
Ok will do, do u know by any chance if the xpipe with high flow cats will work or should I just fix the bad cat on the stock hpipe?
Posts: 114 | From: san ramon | Registered: Mar 2009
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alexdel209
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Member # 9239
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posted
it can work sometimes its just that the hi flow cats arent as good as factory cats so it could pass if everything else is good
Posts: 1087 | From: 209, ca | Registered: Jun 2009
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92stangLX
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Member # 3252
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posted
quote:
Originally posted by quicksilver91:
Ok will do, do u know by any chance if the xpipe with high flow cats will work or should I just fix the bad cat on the stock hpipe?
Should pass the sniffer but may not pass visual if the dude looks under the car.
Posts: 5302 | From: San Francisco | Registered: Sep 2003
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copcar
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Member # 10113
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posted
Mine passes flawlessly, actually cleaner than a stock car, with the UPR catted X pipe. Bad O2's will show a code, not cats. pick up a cheap scanner from the auto parts store. They are a good investment if you plan on keeping the car.
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12.37@ 109.34.NA 894DA Old Nitto 555 DR's Gt40 irons. B cam/1.7's, All emissions equipment on the car, stock air box. UPR catted X pipe.
Posts: 485 | Registered: Jun 2010
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90GT510
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Member # 9199
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posted
autozone checks it for free
Posts: 1725 | From: East Bay/Dallas, TX | Registered: May 2009
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SLOWSN95
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Member # 8269
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posted
quote:
Originally posted by 90GT510:
autozone checks it for free
Auto stores legally are not allowed to check for codes unless there is an auto shop connected (ie: Pep Boys).
Definitely figure out whats wrong with the MIL and go from there. If you want to lower some emissions for when you smog again, you can throw some 91 octane in the tank, and right before you smog, drive on the freeway for about 10-15 miles, and just rev your car in neutral at about 3k rpms for a few minutes. The increased exhaust heat will help your cats work more efficiently.
Posts: 2214 | From: 510/east bay | Registered: Mar 2008
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