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Old 22 May 2012, 03:47 PM
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Alex.Stanbury
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Default WRX smoking

I have a 2003 WRX which is fully decatted. When I drive the vehicle I have no problems but if I am going down hill with my foot off of the accelerator I can see smoke coming out of the exhaust, then when I put my foot back on the accelerator I get a whisp of smoke and no more. There is no smoke when I am driving normally just when going down hill with my foot off the gas, any ideas????
Old 22 May 2012, 06:28 PM
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Originally Posted by Alex.Stanbury
I have a 2003 WRX which is fully decatted. When I drive the vehicle I have no problems but if I am going down hill with my foot off of the accelerator I can see smoke coming out of the exhaust, then when I put my foot back on the accelerator I get a whisp of smoke and no more. There is no smoke when I am driving normally just when going down hill with my foot off the gas, any ideas????
It also doesn't start until I have driven the car for about 20 mins
Old 22 May 2012, 06:37 PM
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Baz82
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Valve seals maybe? Sucking the oil in with vacuum
Old 22 May 2012, 07:50 PM
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Originally Posted by Baz82
Valve seals maybe? Sucking the oil in with vacuum
It does not appear to be using extra oil.
Old 22 May 2012, 08:02 PM
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TonyBurns
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What colour smoke?
Old 22 May 2012, 08:04 PM
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Originally Posted by TonyBurns
What colour smoke?
Blue I think
Old 22 May 2012, 08:11 PM
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Blue = oil, would get your car checked out for sure.

Tony
Old 22 May 2012, 08:23 PM
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Originally Posted by TonyBurns
Blue = oil, would get your car checked out for sure.

Tony
I was aware its oil, but what I find strange is that it is not using any extra, I am taking it in to get it checked this week but just wanted an idea what it might be. The fan also comes on but it is not heating up any more than usual.
Old 23 May 2012, 03:37 PM
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Doesn't take much oil to create a cloud of smoke.
If it's blue smoke on the overrun, I would say piston rings. You say it disappears on throttle?
You SURE just does it down a hill? Give it some boost and then look in mirrors for a wisp of smoke.
Old 23 May 2012, 03:53 PM
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Originally Posted by andy.downes
Doesn't take much oil to create a cloud of smoke.
If it's blue smoke on the overrun, I would say piston rings. You say it disappears on throttle?
You SURE just does it down a hill? Give it some boost and then look in mirrors for a wisp of smoke.
Yea sure, when i put my foot on the accelerator at the bottom of the hill I get a tiny whisp and then nothing
Old 24 May 2012, 09:51 AM
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Originally Posted by Alex.Stanbury
Yea sure, when i put my foot on the accelerator at the bottom of the hill I get a tiny whisp and then nothing

No smoke when foot down, foot off then a cloud of smoke?
Old 25 May 2012, 08:26 AM
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Originally Posted by andy.downes
No smoke when foot down, foot off then a cloud of smoke?
Not a cloud, on overrun going down hill I get some, if its ticking over nothing, when I put my foot on the accelerator I get a little whisp and then it stops.
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