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Burning Smell At Around 90Mph


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#1 The Bear

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Posted 10 February 2014 - 10:05 PM

Hi guys, apologies for the amount of posts tonight.... but may as well get the queries out there haha!

 

Was ''pressing on'' in ma's fusion and at 90mph (on my friend's private track ;)) there was a definite burning smell. I switched on and off the A/C and it did it with or without that on.

 

I've never encountered this before . And when I went slower and dropped to 70 it went away.

 

Any ideas what I should be checking here?

 

Thanks.

 

Steve,.



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#2 mixmasterlooney

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Posted 10 February 2014 - 10:18 PM

Probably the exhaust heated up burning off whatever is stuck to it although it could be anything.

Assuming your engine isn't over heating, cooling fan works and good level of coolants etc

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#3 BigD

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Posted 10 February 2014 - 10:22 PM

It might not even have been the car - could have been something outside.



#4 The Bear

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Posted 10 February 2014 - 10:28 PM

Thanks guys. Yep, no overheating or anything like that. I'm changing plugs next week so i'll get a good luck at the manifold and see if there's an oil leak on to the manifold or something like that :)



#5 Stoney871

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Posted 11 February 2014 - 12:52 AM

Probably your pants on fire for the 'Porky pies' about being on a track :D



#6 The Bear

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Posted 11 February 2014 - 01:01 AM

But I was... it was a friends' track. And it was private haha ;)



#7 FOCA

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Posted 11 February 2014 - 01:32 AM

 

Its funny, ive got the same problem, exept it happens above 130!

 

(safely off road of course) Just kidding, at lower speeds (under 80) it will be the tyres and the clutch, and at higher speeds the exhaust manifold, cat/ heatshields, the cat can smell quite strongly, it can get very hot when driven hard, when you are racing you get used to and recognise the different smells (eg the difference between burning clutch, brakes etc)

 

In normal driving a lot of these things stay fairly cool but if you drive harder they get a lot hotter, ive got an EGT(exhaust gas temperature) gauge - goes up to 1200 degrees! manifold/ cat can reack 700/800 degrees, it could be just dirt, mud water on the exhaust (depends on the smell)

 

Obvious answer is to keep you foot off the throttle and keep it below 70mph!



#8 The Bear

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Posted 11 February 2014 - 01:40 AM

Thanks, err, FOCA ;) lol

 

Yeah, don't worry I'm not in to thrashing the pants off it. But my car's a 2.5 V6 Omega and doing 90 is effortless..... I was just curious as to what a smaller car (albeit with a 1.6) would feel like at the same speed..... a tad scary is the answer haha ;)

 

I also know that it doesn't take much of an oil leak to make a huuuuuge mess so I'm wondering if (as you say) some oil or something else is getting on the manifold. I suppose there's no stopping the cat getting covered in crap.

 

It just concerned me as it was quite strong and distinctly went away when I dropped speed.....then distinctly smelt again when I hit 90! Weird.



#9 stef123

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Posted 11 February 2014 - 05:56 AM

Surely not many people with friends who have a private track, you must be a lucky man..

#10 AdeMk1

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Posted 11 February 2014 - 09:43 AM

Surprising how many of these 'Private Tracks' you hear of over the forums. Hmm..... Binding brakes could be an issue.

#11 The Bear

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Posted 11 February 2014 - 05:57 PM

LOL ;)

 

I've checked the brakes and they're not binding at all :)



#12 mixmasterlooney

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Posted 11 February 2014 - 06:16 PM

Thanks, err, FOCA ;) lol
 
Yeah, don't worry I'm not in to thrashing the pants off it. But my car's a 2.5 V6 Omega and doing 90 is effortless..... I was just curious as to what a smaller car (albeit with a 1.6) would feel like at the same speed..... a tad scary is the answer haha ;)
 
I also know that it doesn't take much of an oil leak to make a huuuuuge mess so I'm wondering if (as you say) some oil or something else is getting on the manifold. I suppose there's no stopping the cat getting covered in crap.
 
It just concerned me as it was quite strong and distinctly went away when I dropped speed.....then distinctly smelt again when I hit 90! Weird.


Those vauxhall omega drink fuel effortlessly too.

Don't worry too much about it foca is spot on

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#13 The Bear

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Posted 11 February 2014 - 06:27 PM

Thanks mate :)

 

Out of interest how do you go about fitting a manifold temp gauge?



#14 FOCA

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Posted 12 February 2014 - 08:28 AM

Thanks mate :)

 

Out of interest how do you go about fitting a manifold temp gauge?

You can drill and tap the exhaust manifold to fit the (temp) sensor, or a less invasive way would be to put the sensor on the surface of the manifold and heat wrap the manifold, if you do an EGR delete you can put the sensor on an EGR blanking plate instead of the EGR cooler, the gauge itself is just like fitting any other gauge,(eg guage pod, or the like) like a voltmeter, boost gauge etc    



#15 The Bear

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Posted 12 February 2014 - 02:08 PM

Thanks FOCA. Yeah I don't fancy tapping a hole in the manifold in case I balls it up lol.

 

What do you gain from blocking off the EGR apart from removing the need to clean it when it gets clogged?



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