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Discussion Starter #1
hey i'm missing 2 O2 sensors before and after the cat. would this have anything to do with my vtec not working and a rev limiter of around 6500?
 

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"Q. What does an oxygen sensor do?
A. The oxygen sensor sends a signal to the engine computer based on the
amount of oxygen in the exhaust gas. This signal is used by the engine ECU to
fine-tune the mixture to the optimum level for maximum catalyst efficiency and
longevity. A worn-out oxygen sensor can cause excessive gasoline consumption,
elevated exhaust emissions, accelerated catalytic converter damage failures and

cause engine performance problems such as surging and hesitating."


Yea I'd say that could mess up Vtec and your Rev limit....
 

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Make the noises vtec does urself. But seriously search. New "vtec not working" thread like every week
 

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Discussion Starter #5
yeah thanks. it just sucks not having vtec cause the upper rpm's pretty much suck. guess i gotta drop 450 on oem sensors
 

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um so ... uhhh... why dont you have o2 sensors???
oddly enough when i swapped the motor into my prelude it didnt start untill i plugged up the second o2 sensor.
 

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Lol, $450 on OEM sensors? They sell the NGK and DENSO's on www.sparkplugs.com for $50 each. They have the OEM connector and everything, no splicing!
 

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you should search before you ask

or you should just get some simple understanding about mechanics and figure it out for yourself ;)

Like others said, you pretty much answered your own question.
 

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RHD Pimpin
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If your VTEC isnt working then jus take it out!!! :top:

There's no need for something that isnt working properly!!! :rofl:
 

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two spark plugs at the stealership won't even cost $450 :rofl: wait...maybe they do...:sly: I just so happen to have two "OEM" spark plugs for sale for a low low price of $400. :rofl:
wtf r u talking about?? this thread was about O2 sensors not spark plugs!!
 

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yeah thanks. it just sucks not having vtec cause the upper rpm's pretty much suck. guess i gotta drop 450 on oem sensors
listen bro. Ima be frank. Vtec isnt workign, because ur 5th piston must be low on compression. Dump some wd40 in thru the spark plug and fire away!
 
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