Carbon Buildup ?
09-07-2011, 08:00 AM
#1
AudiWorld Senior Member
Thread Starter
Carbon Buildup ?
I've seen mention of this in a few threads throughout AW and was curious ...
Is this an issue from just puttering around and/or not running it long/hard enough when warm ?
I can't imagine any of our cars not being 'pushed' enough, and the wife snaps my head back more than me
Would a fuel additive like http://www.rxp.com help it ?
Have used it for years in other vehicles....
Is this an issue from just puttering around and/or not running it long/hard enough when warm ?
I can't imagine any of our cars not being 'pushed' enough, and the wife snaps my head back more than me
Would a fuel additive like http://www.rxp.com help it ?
Have used it for years in other vehicles....
09-07-2011, 08:36 AM
#2
AudiWorld Super User
I think someone had mentioned the newer cars have an auxiliary injector to wash the back of the valve ??
09-07-2011, 09:12 AM
#3
AudiWorld Senior Member
I've seen mention of this in a few threads throughout AW and was curious ...
Is this an issue from just puttering around and/or not running it long/hard enough when warm ?
I can't imagine any of our cars not being 'pushed' enough, and the wife snaps my head back more than me
Would a fuel additive like http://www.rxp.com help it ?
Have used it for years in other vehicles....
Is this an issue from just puttering around and/or not running it long/hard enough when warm ?
I can't imagine any of our cars not being 'pushed' enough, and the wife snaps my head back more than me
Would a fuel additive like http://www.rxp.com help it ?
Have used it for years in other vehicles....
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09-07-2011, 11:42 AM
#5
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I would love confirmation that Audi uses a new system of running fuel to the top injector area. I think it has been mantioned that Lexus may have come up with a solution using direct injection to the cylinder and port injection on top to stop carbon build up. Don't know if that is true.
Whether this helps or not, i heard a nice little saying on another thread: a redline a day keeps the mechanic away!
Whether this helps or not, i heard a nice little saying on another thread: a redline a day keeps the mechanic away!
09-07-2011, 12:56 PM
#6
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09-07-2011, 04:18 PM
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09-07-2011, 05:32 PM
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There's a good article about it here:
Direct Injection Fouls Some Early Adopters.
You can read more about the VW patent mentioned in the above article here.
I would like to read more about this. Any chance you remember where it was posted?
Article about varying detergent levels in fuel here.
-Dennis
Direct Injection Fouls Some Early Adopters.
You can read more about the VW patent mentioned in the above article here.
Article about varying detergent levels in fuel here.
-Dennis
Last edited by DennisM; 09-07-2011 at 05:34 PM.