Air sensor problem - Performance Forum

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Air sensor problem
Wednesday, December 14, 2005 7:02 PM
hey whats going on i recently took off my resistor from my air temp sensor and i put back on my ambient air temperature sensor into my intake instead of my 30k ohm resistor.... the problem is that my engine is throwing a code saying that my sensor is making it run too lean and my 2nd o2 sensor which is reading too rich because i have a test pipe instead of a cat in there is reading too rich and also tossing a code so i guess my question is what can i do to fix this? i am probably going to splice the two wires together for my 2nd o2 sensor so no code will be tossed but what should i do about my temp sensor? thanks for the time... later

Re: Air sensor problem
Wednesday, December 14, 2005 7:39 PM
Quote:


i am probably going to splice the two wires together for my 2nd o2 sensor so no code will be tossed


Its not that easy, you need a simulator.

Try replacing the temp sensor, its only like $11.





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Re: Air sensor problem
Saturday, December 17, 2005 8:03 PM
already replaced the air temp sensor thast what im saying the temp sensor is brand new plugged it in and it tossed code since i took the 30k ohm resistor... hence why im puzzled i also heard if you take a sparkplug nonfouler insert...let me know if it works or not. or what your opinions are on the situation.. later
Re: Air sensor problem
Saturday, December 17, 2005 8:27 PM
Clear the codes, Then try and see what happens, If you dont Wipe the comp it will take awhile for the comp to learn you did something different.



Re: Air sensor problem
Saturday, December 17, 2005 8:43 PM
i did the resistor wasn't throwing a code at all i have had that thing in for at least 8 months i decided it was a stupid mod and just not getting me to stoiche a/f ratio so i couldn't find my old temp sensor so i put a new one in a bought from my store.... it tossed the o2 code about 6 months ago and i cleared the code nothing happened.... so im not sure it tossed it within a day of me replacing the air temp sensor... im not sure whats going on so... its installed correctly and everything and its in the stock intake hose with a hacked air box.... all these mods were done at least 6 months ago nothing new to specifically messed up the temp sensor no wires are cut either or spliced all grounds good... so not sure... thanks for reading... later
Re: Air sensor problem
Saturday, December 17, 2005 8:47 PM
Please pardon my abuse, but you do Crap mods your gonna get crapped on, eventually.

i may have missed it, but did you ever replace either o2 sensors?

And the actual prongs on the IAT sensor, Take a small pensil eraser and rub them up abit. Easy way to clean electrical contacts, That might help.

BTW did you ever relocate you IAT?



Re: Air sensor problem
Saturday, December 17, 2005 8:54 PM
no i pretty much created a little pouch for it on the side of my intake and sealed it from moisture or grounding out... i replaced front o2 sensor car has only 60k on it so found it pointless to replace the second one quite yet since i might be getting rid of it soon... i understand i did stupid things with this car and im trying to correct them and do things the right way hence why i never used heating duct for intake piping... but i've got an aftermarket exhaust system and when they had it off i looked into the cat and saw the o2 sensor and it looked pretty good to me.... nothing wrong with it that i saw and when i hooked it up to the engine check from snap-on they said my o2 sensors were both reading correctly and within their range nothing bad with them my front o2 sensor was not even bad off but i figured 60k and rather than further down the road replace it replace it now...
Re: Air sensor problem
Sunday, December 18, 2005 3:44 AM
Quote:

my 2nd o2 sensor which is reading too rich because i have a test pipe instead of a cat


Shifted said:

Quote:

Its not that easy, you need a simulator


Read a bit more what people say. Shifted gave you the answer. Unless you get a cat or an 02 sim. you'll get a code for the 2nd sensor. Btw, if you still get the IAT code, check with an OHM meter to see if the connection is good.



Gilles
2.3 Ho

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