failed emissions test today!!

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04-02-02 | 08:21 PM

dvst8-rx7

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failed emissions test today!!

Damn ..i failed the emissions test today! i passed CO, NOx, but failed Hyrocarbons (HC). the maximum allowable for HC was 407 and i got 1035 at idle...( the driving test was fine for HC ) how did that happen. i just got new cats, and O2 sensor....hmm might be the injectors.. well my question is has any one here failed the HC ? and what did they do to fix it this problem. Thanks alot guys!

oh i have a 86 GXL N/A

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04-02-02 | 08:28 PM

hyperdaddy7

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Joined: Mar 2002

Posts: 159

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From: kittery, maine

that must suck having to pass emissions..in maine the inspectors just look to see if you have a cat or a presilencer...if you do you pass..maine is great...i don't know how you people in california and canada do it

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04-02-02 | 08:30 PM

turbo dan

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Joined: Mar 2002

Posts: 54

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From: Modesto, CA

It's frustrating as all hell.

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04-02-02 | 08:36 PM

jspecracer7

1JZ powered

Joined: Jul 2001

Posts: 4,423

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From: Where there's only two seasons, hot and wet! I love Okinawa

Re: failed emissions test today!!

Quote:

Originally posted by dvst8-rx7
Damn ..i failed the emissions test today! i passed CO, NOx, but failed Hyrocarbons (HC). the maximum allowable for HC was 407 and i got 1035 at idle...( the driving test was fine for HC ) how did that happen. i just got new cats, and O2 sensor....hmm might be the injectors.. well my question is has any one here failed the HC ? and what did they do to fix it this problem. Thanks alot guys!

oh i have a 86 GXL N/A

You could take the car out and rail the **** out of it. This will get your cats hot. Hot cats(no silly comments please) will burn your exhaust gases cleaner...

...just ask Dragon...he does it on his FD.

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04-02-02 | 10:03 PM

Six Rotors

Rotary Enthusiast

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From: Pluto

Check the water temperature switch at the bottom of your radiator(drver's side).You should have continuity at this switch when the radiator is at normal operating temperature.If the switch is open,either replace it or just connect the two wires together.Without this the air relief valve will always be open and little or no air will go to the exhaust prots or the cat and you will have high numbers.(I am assuming you have decent plugs,timing is OK and have clean oil)

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