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cat temp sensor
Topic Started: Oct 8 2008, 07:22 PM (231 Views)
TOYOTA.MAN
Stage 3
:idk: is it nessersery for the temp senser for the cat to be used when putting a decat in?? :idk: thanks
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robcam
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96BZR

No, just unplug it so the light on the dash doesn't come on.
I just tells you that the cat is hot... Some levins come without them.
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TOYOTA.MAN
Stage 3
thanks mate! :cheers:
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Ae111blast
Stage 5
TRUENOSAM
Oct 8 2008, 07:32 PM
I just tucked mine above the heat sheild on mine. No problems so far
Same here lol
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devo
Stage 6
ye as above mine is jus tucked up near the heat shield no lights on dash and no problems after a year
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Wolftown
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Stage 5
TRUENOSAM
Oct 8 2008, 07:32 PM
I just tucked mine above the heat sheild on mine. No problems so far
Same
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bzg
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Stage 4
sorry lads but i actually need the cat temperature sensor and not the 02 sensor. will i be able to use a universal one? or can i get one from any other toyota etc?

thanx
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Ae111blast
Stage 5
Do you even need one of those, mine is just tied up out the way by my decat, i have a spare one on my other levin you can have. Pm me if your interested!
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bzg
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Stage 4
AceSniper
Oct 30 2008, 05:14 AM
how is your cat temp sensor playing up? sure its not cause your cat is blocked? there just a temp switch
nah chap. i've decated it and i've read somewhere that the cat temp sensor is like a secondery o2 sensor, which helps the ecu work out the temp of the gases. it gives you low rpm torque and power.

mine got sliced by the mechanic! (ratass!) so now when i put my foot down, up until 4000rpm, the car holds back quite a bit and i can smell petrol issuing from the exhaust.

thanx to Ae111blast, i now have one and will soon fit it on inside the decat pipe.
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AceSniper
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Global Moderator

it wont be your issue. put a multimeter onit and heat it up... its just a switch.

Your car would of been over fueling before the cat removal just now the cat isnt burning up that extra fuel. Depends were its happening.. could be a dead oxy... if the people doing the de cat hit the pipe or were abit rough it can blow the heater.

If your cat overheat light is off on the dash don't worry about the temp pickup.... its wired straight to the dash doesn't feed into the ecu at all.
Edited by AceSniper, Oct 31 2008, 11:16 PM.
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gtrjason
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Stage 4
got my decat today and the cat temp light is on, tried unhooking the batt to reset it but its still on, any help?
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Mantis
GYROFTW
As said above you dont need it. Just plug it out or stuff it in between the heatsheild.
Where have you got it at the moment?
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gtrjason
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Stage 4
havent got a chance to get under the car yet, will have a look 2moro and let ya know
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BZ-G
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aka Hyper Rev 4...
i'm guessing when the guys who fitted the decat, they cut the temp sensor off.. since that's what happened to my one too... i think you can unplug a fuse or something to get rid off the light?!?!
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AceSniper
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Global Moderator

I just unpluged mine under the drivers carpet ... or you could pull the dash out and remove the bulb
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gtrjason
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Stage 4
ya was just underneath dare cant find any sensor except one coming out the end of the manifold just before the cat(think thats something else because its already plugged in) Do you know what fuse it is or where is the wire under the carpet??
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BZ-G
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aka Hyper Rev 4...
the one on the manifold is the o2 sensor... and the cat temp should be under the gear lever area...
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