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YOUR RESEARCHSmoke when starting
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Check by an independent
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Suggestion
If you think it is an excessive amount then it always worth getting it checked by an independent.
Leading evidence: 'Check by an independent' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check by an independent' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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6 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 1 discussions
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Hi - any help much appreciated. I have noticed over the past couple of days that my 1986 3.2 has been putting out a fair amount of smoke when I first start up. It does not last for long and the car seems to be running well. I have also noticed that the car seems to rev surgingly between 800 and 1300 revs when you first start it up. I am guessing this could all be related to the recent cold snap - but I am worried that it could be something serious. Any ideas?
Migration info. Legacy thread was 24914
by design the flat six boxer engine allows a certain amount of oil to seep past the piston rings - upon starting up the engine the oil is then burnt off. This is more pronounced if you have parked on a slope. If you think it is an excessive amount then it always worth getting it checked by an independent.
Just a thought - its not just the white smoke that appears when the weather gets cold is it ?
As for the rev surging - my 3.2 did exactly the same thing and so does my 993.
Migration info. Legacy thread was 24916
Thanks for that. Yes, I had though that it might be just the cold weather, but smoking engines scare the hell out of me so I just wanted to be sure that it is not something serious.
Migration info. Legacy thread was 24917
I have a 2002 996TT with 12K miles which does the same thing. Use to worry me too but everyone that I have talked to says it is normal.
Migration info. Legacy thread was 25634
You might want to take a look at rennlist where there is a similar discussion going on with respect to the smoke at start up. See
http://forums.rennlist.com/rennforums/showthread.php?t=191531
There has also been some discussion on there re. the unstable idle on start up. Only thing that you have to remember is that some of what they discuss isn't relevant to us as we don't have catalytic convertors thus no 02 sensor.
I have a 1988 3.2 and I don't get any surging but mine really only gets driven at weekends, so no really cold starts.
Steven
Migration info. Legacy thread was 25642
