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Alright well my subi wagon is pushing 250k miles and since I got it have been replacing every component and fluid under the hood. I am a mechanic so I have access to lifts, flush machines, air tools etc etc. Well at my work we have a fuel flush kit, works similar to seafoam but is made by wynns.

 

Well yesterday I thought it would be wise to do a fuel flush kit, while cleaning the combustion chamber I noticed minimal to no smoke coming out of the exaust wich already meant a pretty healthy clean motor, after I finished I disconnected the battery for a good 6 hours while I worked on some electrical stuff. After reconnecting the battery and turning on the car the rpms went up but quickly dropped and did the symptoms of what looked like a vacumn leak because the rpms were bouncing up and down. once on the road the problem corrected itself and it idled fine. later when I drove it again it did the same symptom upon start up and fixed itself after a minute or 2 of driving. What I'm asking is would this be the norm after having the battery disconnected for so long? I remember having a similar issue when I disconnected the battery to install the clutch. No CEL codes in the memory and nothing being tripped, it's an OBDII system.

 

cliff notes: I had the battery disconnected for a while, now when I start my car it has a bouncy idle like a vacumn leak but corrects itself after driving. what could cause that? Oh and don't CC flush your motor if it has 250k on the clock, the gunks holding it together ;)

 

 

P.S. So I don't have to make another thread I plan on puchasing a short shifter for the wagon ;) I looked on ebay and they have a short shifter you install wich reduced travel by 40-60%. links here:

 

Click here

 

It's a good hundred bucks cheaper than the dealer short shifter but I wanted to see if anyone has experience with this shifter OR the dealer SS.

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Did you let the ECU relearn using the correct method?

 

I have a manual tranny and I no I did not, didn't know there was a relearn method for a manual car. I've had to do a relearn process on specific automatic cars but never a manual. What would the process be?

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I have a manual tranny and I no I did not, didn't know there was a relearn method for a manual car. I've had to do a relearn process on specific automatic cars but never a manual. What would the process be?
It's basically the same for manual cars too.
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