NoPistons -Mazda Rx7 & Rx8 Rotary Forum
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NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)
-   Insert BS here (https://www.nopistons.com/insert-bs-here-12/)
-   -   Emissions Tricks? (https://www.nopistons.com/insert-bs-here-12/emissions-tricks-32643/)

mazdaspeed7 01-27-2004 11:49 AM
Originally Posted by gazellis' date='Jan 27 2004, 01:27 PM
We have been over my car with a fine toothed comb after the rebuild and it would not pass in Texas.



I had to take the Bonez Hi flow cats off and put stock cats on then it passed. We checked everything thoroughly and can't figure why it won't pass. It comes up for inspection again in March and I don't know what I am going to do then.



I have all the emissions crap still on the car. Air pump, ACV, EGR Valve, Good TPS. ECU shows no problems. All the solenoids are in working order. No vacuum leaks.



The only thing I can think of now is maybe it is just an O2 sensor going bad. Is there a way to test the O2 sensor? Maybe with a volt or ohm meter?
Just replace it. Bosch Universal sensors are around $28, you just have to splice it into the factory wire. I cut the plug off the stock sensor, and spliced that to the O2 sensor. It beats the hell out of $150 for the same sensor with the plug already on it.

gazellis 01-27-2004 11:58 AM
I had read that the Bosch do not work correctly. Maybe that was from a Mazda salesman https://www.nopistons.com/forums/pub...#>/biggrin.png



Your's works fine I suppose....

Turbomark7 01-27-2004 01:45 PM
anhydrous alcohol (gas dryer) binds to the water and splits it and that reaction yields methanol and whatever the starting alcohol was, usually ethanol or isopropanol.

mazdaspeed7 01-27-2004 01:48 PM
My bosch sensor has worked just fine. Actually, its due for replacement now.

j9fd3s 01-27-2004 01:55 PM
ntk 02 sensors are usually available, and its the factory part. usually about $20.



have you checked your acv? if its not working car not pass smog. if its not working theres 2 vacuum hoses in the front of the intake by the tb that get swapped.



possibility number 3 is that the bonez cat is bad, have you looked in it?

ColinRX7 01-27-2004 05:29 PM
OK but this alcohol trick will do something right? Like help me pass?

teknics 01-27-2004 10:50 PM
how to pass emissions?



have connections and some green., hell even i PASSED emissions with near 0 counts in every category.



kevin.

ColinRX7 01-27-2004 10:52 PM
I have a connection I just got.. but I would save money if I can pass with a trick. Otherwise I gotta get hooked up and waste the money.

teknics 01-27-2004 10:54 PM
Originally Posted by ColinRX7' date='Jan 27 2004, 11:52 PM
I have a connection I just got.. but I would save money if I can pass with a trick. Otherwise I gotta get hooked up and waste the money.
its a daytona, you can probably buy an identical one for the same it costs to pass emissions.



kevin.

ColinRX7 01-27-2004 10:56 PM
Hahah almost. It's an extra 10 bucks. Mines an ES though so it's got the bodykit.



Ahh who am I kidding


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