After de-cat of Prado 4,0L V6

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Dingo
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Sat Aug 09, 2014 5:45 pm

I've noticed that after I de-catted my V6 that she tenders to smoke on start-up in the mornings, has anyone else noticed this after de-catting their V6's

At first I thought it was oil smoke/valve stem seals, but you can smell fuel rather than oil. At the last service I ask Toyota to check that all the sensors were working and all was good.

Any ideas????
Huismoeles
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Sun Aug 10, 2014 11:07 am

My fortuner rook ook en ek ryk ook petrol

Het jou petrol verbruik verbeter?
Hoeveel km op jou clock?
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TOYODA
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Sun Aug 10, 2014 7:20 pm

Myne het die petrol reuk gehad voor ek die cats uitgehaal het en was dieselfde na die cats uit is.
Het nie regtig opgelet oor die rook in die oggend of na dit aangeskakel is nie.

Brandtof verbruik op die oop pad het 'n klein bietjie verbeter, maar dis klein.
In die verkeer is daar geen verskil.
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toyo v6
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Mon Aug 11, 2014 7:22 am

My hilux rook so bietjie met start up met n sterk reuk van petrol en hy doen dit van ek hom tweede hands gekoop het en hy het nog al sy cat,s

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JamesC
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Mon Aug 11, 2014 8:38 am

My prado 3.4 v6 doen dit ook met startup...340 000km

Doen dit al vir jare
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Mr_B
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Mon Aug 11, 2014 9:07 am

No problem like that on my de-cat'd 4L V6... I believe the O2 sensors need to warm up a bit before they give accurate air/fuel readings.

Is it not related to the lower ambient morning temperatures in winter?
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Dingo
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Mon Aug 11, 2014 9:16 am

Okay, so it seem quite normal - thank you :D: :D:
Huismoeles wrote:My fortuner rook ook en ek ryk ook petrol

Het jou petrol verbruik verbeter?
Hoeveel km op jou clock?
I have 208 000 km's on the clock, the consumption improved by around 1L/100km's. I also had a roof rack on that I now take off when not in use and the further improved the consumption by almost another 1L/100km's. I'm now about 1,5-2L/100km's better off.
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