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98 Impreza High Idle Fixed, SeaFoam
Posted 25 April 2011 - 07:05 PM
Everything looked good under the hood so I figure it was the IAC.
1/4 bottle into the 1" air hose, let it sit 20 minutes
Start it up, had to floor it to clear the seafoam
1/4 bottle pulled in through the Vaccume port on the top of the TB
Stop the engine, 1/4 bottle into the air hose again
Let it sit 20 Minutes and repeat.
Took it for a drive to blow everything out, idle 550-600 and smooth as can be. SeaFoam works!
Posted 25 April 2011 - 09:06 PM
Posted 26 April 2011 - 10:10 AM
Yea, SeaFoam work great. The only negative that I have heard about the product, is that it is hard on seals.
This would probably only apply to using it in the crankcase oil, but then again, you only want to do so immediately before an oil change.
Otherwise, the general consensus says SeaFoam is great!
Posted 26 April 2011 - 06:15 PM
Posted 13 August 2011 - 02:54 PM
Posted 13 August 2011 - 08:57 PM
If you are doing it into the oil, only run it at idle and for 30 minutes or less. You have diluted the oil, and should not run it under load or you may spin a bearing.
That's my thoughts anyway.
Posted 13 August 2011 - 09:03 PM
I'm going to guess it's my IAC I had the same problem on my 95 the idle would but jumpy right after starting when warm.. on this car it shoots up to like almost 2K when warm.
Stupid me I was right at the dealer today and I forgot to pick the gasket up for the IAC...
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