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Author
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Topic: Didn't pass smog and wanted to get some advice: I have previous smog and failed one..
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Venomized93
Founding Member
Member # 55
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posted
 
 
So I went to get my car smogged today (97 Nissan Maxima) and the car failed. I passed my previous smog back in Sept of 09 but didn't pass todays smog. I included both pictures to see if that can help any smog experts. I just recently changed my plugs with some NGK platinums (so that shouldnt be a problem).
Here is my previous one in Sept of 09:
Here is todays FAILED smog: (The 15mph test was the problem one)
Any ideas/suggestions ![[patriot]](graemlins/patriot.gif)
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2018 Tesla Model 3 Performance
Posts: 2077 | From: San Francisco, California | Registered: Oct 2000
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Venomized93
Founding Member
Member # 55
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posted
Can I buy it somewhere locally and how is it used?
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2018 Tesla Model 3 Performance
Posts: 2077 | From: San Francisco, California | Registered: Oct 2000
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BCINGUU
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Member # 2397
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posted
Start by replacing your plugs, wires, cap and rotor (if you have one) for the HC problem, and hope that fixes it. If not, you need new cats.
Also replace your EGR for the NOx. Not much else you can do about that except make sure all your smog equipment is hooked up right and not leaking, and back your timing off to cool down your cylinder temps.
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93 Cobra #4563 347ci 12.0@118 505rwhp 524tq
90 GT "Saleen Cobra" style convertible 347ci
67 GT "Eleanor" style coupe 347ci
Posts: 1425 | From: San Jose, CA | Registered: Jan 2003
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BIGBALLFACTOR
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Member # 7277
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posted
sea foam can be bought at any auto part store
an like i said in my pm please post the whole emission report so people can see whats going on
not just what failed
Posts: 6908 | From: okc | Registered: Dec 2006
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Venomized93
Founding Member
Member # 55
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posted
Here is a better picture:
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2018 Tesla Model 3 Performance
Posts: 2077 | From: San Francisco, California | Registered: Oct 2000
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BIGBALLFACTOR
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Member # 7277
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posted
your car is running a little on the lean side to things to check are a vac leak or the o2 sensor could be lazy
Posts: 6908 | From: okc | Registered: Dec 2006
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Venomized93
Founding Member
Member # 55
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posted
quote:
Originally posted by fasthatch:
your car is running a little on the lean side to things to check are a vac leak or the o2 sensor could be lazy
Do you think running Seafoam will help? Unfortunately I don't have a place to check those that you mention, nor the tools. Are those pretty much the reasons? Not a clogged cat? I plan on running some seafoam and then brining my car for those problems to shop down the block. I was going to turn it in today, but he was too busy.
Posts: 2077 | From: San Francisco, California | Registered: Oct 2000
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Venomized93
Founding Member
Member # 55
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posted
There are no CELS showing too, just to let you know.
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2018 Tesla Model 3 Performance
Posts: 2077 | From: San Francisco, California | Registered: Oct 2000
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BIGBALLFACTOR
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Member # 7277
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posted
quote:
Originally posted by Venomized93:
There are no CELS showing too, just to let you know.
a lazy os may not throw a code in it still switch from rich to lean at the right time an for a vac leak if stay in fuel trim it won't throw a code
Posts: 6908 | From: okc | Registered: Dec 2006
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Venomized93
Founding Member
Member # 55
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posted
So when I walk into the shop should I just mention those two problems: Vacuum leak or Lazy 02 sensor? I just don't want them to make up some BS that I need a new cat when I dont need one. Will it be front or rears O2 sensors?
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2018 Tesla Model 3 Performance
Posts: 2077 | From: San Francisco, California | Registered: Oct 2000
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Mach916
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Member # 8264
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posted
3 gallons 91 octane+ 1 gallon denatured alcohol= middle finger in the air..
Posts: 1247 | From: Sacramento | Registered: Mar 2008
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BIGBALLFACTOR
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Member # 7277
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posted
quote:
Originally posted by Venomized93:
So when I walk into the shop should I just mention those two problems: Vacuum leak or Lazy 02 sensor? I just don't want them to make up some BS that I need a new cat when I dont need one. Will it be front or rears O2 sensors?
pm sent
Posts: 6908 | From: okc | Registered: Dec 2006
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CobraCoupe
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Member # 7233
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posted
Looks kinda like the cats wasn't hot enough your reading were close last time and if you look the 25 mph test clean right up hold the rpms at 2500 for 2 mins then run it bet it will pass with similar numbers compared to the last test
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1965 Mustang convertible
2004 Ford Lightning #0537
Posts: 663 | From: Hayward | Registered: Nov 2006
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Venomized93
Founding Member
Member # 55
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posted
So I did Seafoam, 1/3 through the brake booster line, 1/3 oil crankcase, 1/3 gas tank. Went through the procedure and got all the smoke out. Drove about 50 miles and did an oil change. Drove about another 15 minutes and arrived to do my retest. FAILED! ![[Frown]](frown.gif)
Anybody work at a smog shop that does repairs and that could test it? I just want to fucking pass so that I can legally sell the car and not be liable for anything.
[ February 09, 2010, 08:30 PM: Message edited by: Venomized93 ]
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2018 Tesla Model 3 Performance
Posts: 2077 | From: San Francisco, California | Registered: Oct 2000
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BIGBALLFACTOR
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Member # 7277
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posted
are the 02 oem an are the from 1997
Posts: 6908 | From: okc | Registered: Dec 2006
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Venomized93
Founding Member
Member # 55
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posted
02 are OEM from what I know. Im the third owner and doubt they've been changed.
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2018 Tesla Model 3 Performance
Posts: 2077 | From: San Francisco, California | Registered: Oct 2000
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BIGBALLFACTOR
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Member # 7277
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posted
quote:
Originally posted by Venomized93:
02 are OEM from what I know. Im the third owner and doubt they've been changed.
you could ftying changing the one in front of the cat an does this car have a egr on it
Posts: 6908 | From: okc | Registered: Dec 2006
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Venomized93
Founding Member
Member # 55
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posted
quote:
Originally posted by fasthatch:
quote:
Originally posted by Venomized93:
02 are OEM from what I know. Im the third owner and doubt they've been changed.
you could ftying changing the one in front of the cat an does this car have a egr on it
Yes it does have an EGR
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2018 Tesla Model 3 Performance
Posts: 2077 | From: San Francisco, California | Registered: Oct 2000
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BIGBALLFACTOR
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Member # 7277
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posted
clean the egr passages first egr problems will cause nox failures the restest but with a 13 year old car i would replace the o2 for maintenance an it would help make the car run cleaner
Posts: 6908 | From: okc | Registered: Dec 2006
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threethirty1
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Member # 7814
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posted
Put in your stock thermostat!!
I failed 4 times with my 331, then passed with the stock 195 t-stat.
It was the missing link!
My car wasen't getting hot enough!
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1987 Black GT
factory zero option car
Posts: 777 | From: North Bay | Registered: Jul 2007
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FORDNUT
CAFords OG
Member # 2348
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posted
Throw a new cat on and it'll pass..
Posts: 650 | From: Elk Grove,CA | Registered: Jan 2003
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BIGBALLFACTOR
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Member # 7277
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posted
quote:
Originally posted by FORDNUT:
Throw a new cat on and it'll pass..
i cat for that car is going to be 600-1000 bucks
Posts: 6908 | From: okc | Registered: Dec 2006
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Venomized93
Founding Member
Member # 55
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posted
I checked autozone and they have a rear CAT that is universal that is CA legal (from what the clerk said) for $208. I also called a muffler shop in Daly City that would put new one for $250. If that's the case, which one would it be most likely, front or rear?
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2018 Tesla Model 3 Performance
Posts: 2077 | From: San Francisco, California | Registered: Oct 2000
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