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Re: Help: My '95 Chevy Van Gladiator Faile California Smog Star Test
DaMonster #664388 June 23rd 2014 2:13 am
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I'm back again and still failing California Star Smog Test. I've done a complete major tune-up, replaced the TBI, O2 Sensor, and EGR, then still failed. Is the catalytic converter the only left, which I'm getting ready to replace.

Any more suggestions are very welcome.


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1995 Chevy G20 Gladiator Conversion Van
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Re: Help: My '95 Chevy Van Gladiator Faile California Smog Star Test
DaMonster #665110 June 30th 2014 9:33 pm
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sounds like the CAT if you arent throwing any codes. Luckily these days a universal one is pretty cheap.

Re: Help: My '95 Chevy Van Gladiator Faile California Smog Star Test
DaMonster #665111 June 30th 2014 9:54 pm
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Common GM problem is corroded wire on temperature sensor, telling puter its cold so it essentially turns the choke on....sends all the readings through the roof..

Use the octane it was designed for. If you use a higher octane than called for it actually causes higher readings because the engine does not burn all the fuel it gets...

If you have been running rich, a new cat may be required . Price it out locally


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Re: Help: My '95 Chevy Van Gladiator Faile California Smog Star Test
DaMonster #667072 July 27th 2014 1:20 am
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Finally,....passed California smog test. After replacing the TBU, EGR, Oxigen Sensor, major tune-tup, catalytic converter, oil change, then I found out the muffler needed changing also. Over $1000+ ut it's all done and I'm legal again!!!!

Thanks for all your advise.


Everyday is a gift.

1995 Chevy G20 Gladiator Conversion Van
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Re: Help: My '95 Chevy Van Gladiator Faile California Smog Star Test
DaMonster #667079 July 27th 2014 5:53 am
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MAN! I am SO HAPPY I don't have to deal with that CA smog nonsense.

On a side note, while in auto tech class at a local community college back in 1999, we tested my 1991 Nissan pickup with a KA24E (2.4L 4cyl) with and without the catalytic converter installed. Same exact results (or such little change it wasn't noteworthy, 1999 was a long time ago).

Anyway, it's always seemed like a money scheme to me ever since. Maybe our particular machine was outdated, maybe it was an improperly function in catalytic converter, maybe it was just a fluke test. Either way, I'm still not sold on the whole thing. Just my 2 cents worth, not that the EPA gives a rat's rear Hines what I say anyway.

smile


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Re: Help: My '95 Chevy Van Gladiator Faile California Smog Star Test
DaMonster #667091 July 27th 2014 10:32 am
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damn 1k+ for that stuff...glad I do as much myself as I can.

you could have probably gotten away with doing the egr, o2 sensor, oil change, and tune up yourself for under $150...

Re: Help: My '95 Chevy Van Gladiator Faile California Smog Star Test
DaMonster #667138 July 27th 2014 10:42 pm
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In the Atlanta Metro if the vehicle fails and the owner spends (and can show receipts) a minimum of $250 they then get a pass even if the vehicle still fails. To force the issue beyond that would be placing a hardship on persons with limited resources who may rely on that vehicle to get back and forth to work, medical care, etc. They also have an "older vehicle" percentage that curves the grade for anything that is past a certain age but still younger than 25 years. After 25 years testing is not required at all.



Last edited by CatFish; July 27th 2014 10:48 pm. Reason: ksfs
Re: Help: My '95 Chevy Van Gladiator Faile California Smog Star Test
DaMonster #667170 July 28th 2014 11:12 am
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here in IL they tested EVERYTHING from what I remember as a kid, and they were tough. The state ended up loosing so much money they dropped everything except the newest cars, and now they just plug into the computer, nothing else.

Re: Help: My '95 Chevy Van Gladiator Faile California Smog Star Test
DaMonster #667171 July 28th 2014 11:28 am
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I get to go to a "Test Only" station, if the vehicle needs repairs to pass the charges, up to $500, Cali will help pay for it. It has never failed. They required me to go to a test only cause they say I have a gross polluter. Ha... have you ever seen my test reports.

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