Dash icon?
17 May 2007, 10:07 AM
#1
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Dash icon?
i keep getting a icon at the bottom of my dash which looks like a box with heat waves comming off it. anyone know what it is?
its a 93 Ra with no cat and a apexi powerFC?
cheers
Ben
its a 93 Ra with no cat and a apexi powerFC?
cheers
Ben
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17 May 2007, 05:41 PM
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right ok so its a exhaust temp sensor, where can i pick one of them up?
and i havent got any CATs so would the sensor be just in the cat replacement pipe?
and i havent got any CATs so would the sensor be just in the cat replacement pipe?
17 May 2007, 05:55 PM
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I've got full decat, the wire snapped off the sensor a while back. I questioned getting a new one but was told "you haven't got a cat, so don't worry!".
So i didn't!
Light doesn't come on either.
So i didn't!
Light doesn't come on either.
17 May 2007, 11:47 PM
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Lambda sensor preheater signal AFAIK.
Lambda sensors need to be hot to work so they have a voltage supplied to them whenever the ignition's on, which heats up a little coil inside to get it closer to working temperature from a cold start. It takes a bit of time, but if you have an AFR gauge and you switch your ignition on but don't start the engine, you'll see the lambda reading gradually drift to where it should be as the sensor heats up to operating temperature.
Could be wrong on that, but that's what I always assumed it was, a bit like the glow plug light you get on diesels for a second or two before starting up.
Lambda sensors need to be hot to work so they have a voltage supplied to them whenever the ignition's on, which heats up a little coil inside to get it closer to working temperature from a cold start. It takes a bit of time, but if you have an AFR gauge and you switch your ignition on but don't start the engine, you'll see the lambda reading gradually drift to where it should be as the sensor heats up to operating temperature.
Could be wrong on that, but that's what I always assumed it was, a bit like the glow plug light you get on diesels for a second or two before starting up.
21 May 2007, 08:24 AM
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but the light comes on almost all the time? its intermittent. iv got a AFR gauge and it does do what its meant to, i think lol
sounds like a new lambda sensor
cheers
Ben
sounds like a new lambda sensor
cheers
Ben
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