All good Robin hood
If you decide to get the cat swap done might be wise to shove a mini-cat on the rear sensor, the ECU will eventually crack a sad.
Fireup Google and search on
O2 sensor mini-cat
Make sure to get the one with the honeycomb inside , don't get the hollow core.
https://www.carmodsaustralia.com.au/cel ... h-mini-cat
These ones work, however , far from the greatest price around you can get them for half that , these are the style of unit to get
Don't buy it from the exhaust shop , they usually sell them for $100 so they can fund their Christmas party with, they are usually sitting on their front counter next to the idrive units
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Finally cracked 400,000 kms.
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Re: Finally cracked 400,000 kms.
4G69 TB viewtopic.php?f=49&t=22125
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E85 4b11 viewtopic.php?f=49&t=22182
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4B12 in cam 4b11 viewtopic.php?f=49&t=22218
More projects to come
Re: Finally cracked 400,000 kms.
If you swap out the cat for a 200-cell, would a mini-cat on the sensor still be necessary?
2011 VRX Sportback
Message me on Discord: Mars#0420
If in doubt, rev it out!
Message me on Discord: Mars#0420
If in doubt, rev it out!
Re: Finally cracked 400,000 kms.
Yup
You will need one of the mini cat to out over the rear O2 sensor
The O2 sensor , think of it as your nose.
It lets you smell a variety of smell.
The rear O2 sensor is used to smell the exhaust after it goes thru the cat.
It does this and the measurements are converted to a voltage.from memory it is from zero to five volts.
This voltage is then used by the ECU to check and see if the cat is actually doing its job.
Seeing though you haven't edited anything in the ECU it still think you have the OEM cat.
So after while it will eventually crack a sad and give you a CEL.
However, if you shove the mini-cat over the rear O2 sensor this is more then enough to keep the voltage in a safe zone as the mini-cat uses the same substrate as the main cat core does.
You will need one of the mini cat to out over the rear O2 sensor
The O2 sensor , think of it as your nose.
It lets you smell a variety of smell.
The rear O2 sensor is used to smell the exhaust after it goes thru the cat.
It does this and the measurements are converted to a voltage.from memory it is from zero to five volts.
This voltage is then used by the ECU to check and see if the cat is actually doing its job.
Seeing though you haven't edited anything in the ECU it still think you have the OEM cat.
So after while it will eventually crack a sad and give you a CEL.
However, if you shove the mini-cat over the rear O2 sensor this is more then enough to keep the voltage in a safe zone as the mini-cat uses the same substrate as the main cat core does.
4G69 TB viewtopic.php?f=49&t=22125
E85 4b11 viewtopic.php?f=49&t=22182
P0420 Fix viewtopic.php?f=49&t=22747
4B12 in cam 4b11 viewtopic.php?f=49&t=22218
More projects to come
E85 4b11 viewtopic.php?f=49&t=22182
P0420 Fix viewtopic.php?f=49&t=22747
4B12 in cam 4b11 viewtopic.php?f=49&t=22218
More projects to come
Re: Finally cracked 400,000 kms.
Ahh, good stuff. Cheers.
2011 VRX Sportback
Message me on Discord: Mars#0420
If in doubt, rev it out!
Message me on Discord: Mars#0420
If in doubt, rev it out!
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