F-Type ( X152 ) 2014 - Onwards

Is this much smoke normal?

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Old Jan 4, 2025 | 06:02 PM
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Default Is this much smoke normal?

As you can see later in the video my engine is up to temp. The smoke doesn't have a smell but it seems like a lot more than my other cars and as you can see in the video there's water residue coming out of the exhaust pipe

 
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Old Jan 4, 2025 | 06:59 PM
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I reckon it's not smoke but steam, from the condensation that builds up in the exhaust pipes when left overnight.
There are two small holes on the underside of the exhaust pipes, a bit before the muffler, and any build-up of condensation is meant to drip/drain out of those two holes.
Maybe your drain holes are clogged, easy enough to check.
 
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Old Jan 5, 2025 | 12:30 AM
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Mine is doing the same thing, I'm thinking this is normal at this point. I might have to check out those drain holes tho. I did also just recently have my head gaskets replaced from excessive smoke on start ups. It's still smoking, but not as much as before... https://www.jaguarforums.com/forum/f...art-up-285773/
 
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Old Jan 5, 2025 | 12:55 AM
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Water in the exhaust system…the (temporary) cure? A long, preferably fast, run to rid the system of the water. Short runs in which the system does not get fully heated will always produce this water.
 
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Old Jan 5, 2025 | 12:50 PM
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Default the drain holes....

I don't have my lift anymore, so will have to skinny under the rear end... any guidance as to the general location of these exhaust drain holes, so I can make sure they're not plugged?
 
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Old Jan 5, 2025 | 01:41 PM
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Some pix and discussion in this thread…
https://www.jaguarforums.com/forum/f...n-soot-220540/
 
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Old Jan 5, 2025 | 02:00 PM
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Default Thank you

Yes, saw those threads and did read that the weep hole is somewhere in the vicinity of the muffler. Will get the cardboard out and have a look.
 
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Old Jan 5, 2025 | 07:32 PM
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Also, hope you know that the temp gauge is not accurate, JLR does not want owners running to dealers for every temp issue. So they run it up over a couple of minutes and it will stay there till the ecu detects an overheat and then will react causing said driver to overheat engine and then the driver to overheat.
 
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Old Jan 6, 2025 | 06:45 PM
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Originally Posted by randyb
Also, hope you know that the temp gauge is not accurate, JLR does not want owners running to dealers for every temp issue. So they run it up over a couple of minutes and it will stay there till the ecu detects an overheat and then will react causing said driver to overheat engine and then the driver to overheat.
I routinely monitor my coolant temp with the Torque app. The car temperature gauge reads at the middle at about 165F and to at least 210F. So it is not a good indicator of actual engine temperature - unless you think knowing the actual temp within a 45F range is good enough.
 

Last edited by RGPV6S; Jan 6, 2025 at 06:50 PM.
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Old Jan 6, 2025 | 07:40 PM
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Originally Posted by RGPV6S
I routinely monitor my coolant temp with the Torque app. The car temperature gauge reads at the middle at about 165F and to at least 210F. So it is not a good indicator of actual engine temperature - unless you think knowing the actual temp within a 45F range is good enough.
All I meant was the temp gauge is not a good indicator the car is up to operating temperature, not sure what you think I said.
 
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Old Jan 6, 2025 | 09:41 PM
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The steam is normal. Different cars produce different amounts, based on engine displacement, warm up RPM, exhaust thermal mass (how much steel there is to warm up) and exhaust surface area (how much cooling occurs)
 
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Old Jan 7, 2025 | 04:49 AM
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Originally Posted by randyb
All I meant was the temp gauge is not a good indicator the car is up to operating temperature, not sure what you think I said.
Not challenging your statement at all. Was trying to reinforce your point. Sorry if there was any misunderstanding.
 
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Old Jan 7, 2025 | 07:37 PM
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Originally Posted by RGPV6S
Not challenging your statement at all. Was trying to reinforce your point. Sorry if there was any misunderstanding.
LOL, no worries. Have been stuck inside for a week from food poisoning and am getting paranoid and grumpy.
 
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Old Jan 7, 2025 | 08:01 PM
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It's been three days now and the OP hasn't chimed back in.
It seems we are all agreed that his "smoke" is just harmless steam, true?
 
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Old Jan 8, 2025 | 12:02 AM
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Originally Posted by OzXFR
It's been three days now and the OP hasn't chimed back in.
It seems we are all agreed that his "smoke" is just harmless steam, true?
Yes.
I remember that years ago I watched a Camaro start up an inclined driveway and I could not believe the amount of gushing water that came out if the exhaust pipes. Obviously his/her drain holes in the muffler were clogged, sometimes tge amount of water dan be quite dramatic.
 
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Old Jan 8, 2025 | 06:35 PM
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Yes, I concur. My V6S produces a similar amount of "smoke" especially in cooler/colder temperatures. It sometimes continues to do so for up to 10 mins of city driving.
 
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Old Jan 15, 2025 | 04:37 PM
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I can't find the drain holes, can anyone point them out to me?
 
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Old Jan 15, 2025 | 04:56 PM
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See those black stains on the undersides of the joint pipes? Between the two pairs of nuts/bolts.
Then go to the forward most joins on each piece of pipe, and you will see a small half-moon shaped cut out/hole/gap on the edge of the join, that is the drain hole.
Not really a hole as such just a slight gap.
The black stains are dirty water dripping out of those holes and being blown rearwards and the dirty water is a mixture of condensation and exhaust soot.
 
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Old Jan 15, 2025 | 09:04 PM
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Originally Posted by OzXFR
See those black stains on the undersides of the joint pipes? Between the two pairs of nuts/bolts.
Then go to the forward most joins on each piece of pipe, and you will see a small half-moon shaped cut out/hole/gap on the edge of the join, that is the drain hole.
Not really a hole as such just a slight gap.
The black stains are dirty water dripping out of those holes and being blown rearwards and the dirty water is a mixture of condensation and exhaust soot.
got it thanks for your help
 
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Old Jan 15, 2025 | 10:05 PM
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Originally Posted by randyb
Also, hope you know that the temp gauge is not accurate, JLR does not want owners running to dealers for every temp issue. So they run it up over a couple of minutes and it will stay there till the ecu detects an overheat and then will react causing said driver to overheat engine and then the driver to overheat.
did not know this! thanks for sharing

Originally Posted by cujet
The steam is normal. Different cars produce different amounts, based on engine displacement, warm up RPM, exhaust thermal mass (how much steel there is to warm up) and exhaust surface area (how much cooling occurs)
thanks for your input

Originally Posted by OzXFR
It's been three days now and the OP hasn't chimed back in.
It seems we are all agreed that his "smoke" is just harmless steam, true?
sorry my F type is my weekend car so it hasn't been driven since I made the post until today, I didn't specifically look but I didn't notice the steam/smoke today but it was also a much warmer day than when I took the first video
Originally Posted by fstik
Yes, I concur. My V6S produces a similar amount of "smoke" especially in cooler/colder temperatures. It sometimes continues to do so for up to 10 mins of city driving.
good to know, thank you
 
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