Spitting exhaust

[FreedomCore]

Afternoon guys. My GT occasionally spits out a load of this sooty liquid. Any ideas? Should I be concerned?

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[adzy]

Have you had your ecu unplugged or anything?

Mine did this after I put my ecu back in, but after taking it for a drive to let it adjust a bit was fine after

[FreedomCore]

Well it started after it went on a dyno. But the battery keeps going flat as the alternator needs changing. But when I say flat I mean like completely dead. So the ecu has probably forgot itself once or twice.

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[TD04GT]

It could be just unburnt fuel coming out, mine only began to do it when I upped the fuel pressure. Have you an aftermarket fpr fitted?

[FreedomCore]

Not anymore. It had one when I got it but it didn't work. So it's currently got a standard fpr on it. It could potentially have an uprated pump on it. Can't say for sure though.

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[Ollieh17]

Cold weather, condensation in a sooty exhaust etc. Wouldn't worry too much

[adzy]

Well it started after it went on a dyno. But the battery keeps going flat as the alternator needs changing. But when I say flat I mean like completely dead. So the ecu has probably forgot itself once or twice.

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Yeh if it happens after you've just charged the battery back up then that's probably it

[FreedomCore]

Well as I said, it first happened right after my rolling road session. Like it didn't do it on the drive there. But did it right after the test.

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[Ollieh17]

Does it smell like fuel? I bet its just water. Highly doubt its anything to do with swapping a battery or ecu 'forgetting' itself

[FreedomCore]

I'm pretty sure it is water. But there's a lot of it and this was after a like 20 minute drive

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[Ollieh17]

Was the car warm, every turbo car i know with decat and exhaust system does this on start up and when cold. My glanza with a side exit used to cover my neighbouts car

[adzy]

Mine was fully warmed up when it did it, otherwise I'd have thought condensation

[Ollieh17]

If you are 100% sure it wasn't condensation you should probably get it looked at lol.

Car may be up to temp but doesn't mean all condensation has burnt off

[StuDoc 72]

Engine could also be warm without the exhaust being warm.

Might be all sitting in the back box which is going to be the coolest part of the exhaust and would need to reach 100 degrees+ to get rid of all condensation.

I'd be 99% sure its condensation if not then your HG is fuuuuuuuu huckkkked.

Is the ECU pnp or programmed?

[FreedomCore]

As far as I'm aware. It's a standard ECU. Although Im not 100%. It's not dropping coolant or anything. Probably is just condensation.

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[fiddlersport]

Overfuelling ?

The black sut coulde have been there a while and now the coldweather has kicked the condensation could be flushing out ?

Just a wild guess

Check the colour of your spark plugs

Good tell tale sign of fuelling

[starletezy]

My gt use to do that in cold weather its condensation and the black stuff is built up soot from your exhaust the condensation is flushing it out

[5e colin]

Normal condensation on stone cold engine in this new cold weather please don't rev the shit like that out off a cold engine

Edited November 16, 2016 by 5e colin