murpheeee Posted May 7, 2012 Share Posted May 7, 2012 Hello all, I am new here, I own an 02 WRX, and am looking at geting a Forester for the missus. We looked at a really nice one today, but it seems to have an issue. When you turn the key, it starts first time, it revs up normally then the rpm drops way down, almost like its about to stall and sometimes it does. This only seems to happen when the engine is cold. After we had ran it for a while, it started up fine. After it sat for another hour, it had the same problem. The car is an 06 Forester with 100K, has been meticulously maintained at dealer, and otherwise seems perfect. Does anyone have a best guess as to what could be causing this? Link to comment Share on other sites More sharing options...
Fairtax4me Posted May 7, 2012 Share Posted May 7, 2012 The idle control valves seem to be kinda screwy on those. I'd think either that is gunked up with carbon, or there is a vacuum leak of some kind. Possibly a split or disconnected hose somewhere. Did you notice if the Check Engine Light comes on when the key is turned to ON? It should come on for a few second then go out. Link to comment Share on other sites More sharing options...
john40iowa Posted May 7, 2012 Share Posted May 7, 2012 This might work in your favor in terms of getting a better deal. I would bet it is something relatively simple. Link to comment Share on other sites More sharing options...
murpheeee Posted May 7, 2012 Author Share Posted May 7, 2012 yes, I believe the check engine light came on then went out, it certainly did not stay on. I already negotiated $1K off his asking price for the impending timing belt/water pump replacement, I don't want to push it, seems very nice and genuine seller. I am hoping it is just a simple fix/adjustment needed Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted May 7, 2012 Share Posted May 7, 2012 Code may still be stored, or 'pending'. I'd try to get it read (Autozone type places will do this, get the actual P0xxx code, not just the suggested stuff from A'zone) Intermittent problems can be tricky to pin down. Link to comment Share on other sites More sharing options...
ivans imports Posted May 7, 2012 Share Posted May 7, 2012 check seam at block and heads for headgasket leaks leaking headgasket will cause problems like thiss Link to comment Share on other sites More sharing options...
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