jonesyb84 Posted August 17, 2018 Share Posted August 17, 2018 I'm a little confused as to the location of the Idle speed control valve on my Impreza 2.5i 2007. Can anyone help? Thanks! Link to comment Share on other sites More sharing options...
jonesyb84 Posted August 17, 2018 Author Share Posted August 17, 2018 Or...maybe there isn't one on this model? Either way I'm having trouble with my idle. It will stall if I put the car into neutral while driving/coming to a stop, and it idles far too low. Link to comment Share on other sites More sharing options...
montana tom Posted August 17, 2018 Share Posted August 17, 2018 Have you checked for codes ? If you don't have a reader, most parts houses will read it for you for free. Link to comment Share on other sites More sharing options...
GeneralDisorder Posted August 17, 2018 Share Posted August 17, 2018 (edited) There isn't one. I assume you either recently reset the codes on the computer or disconnected the battery. The ECU need to relearn it's idle. Clear the ECU or disconnect the battery for 15 minutes. Turn the key on, wait about 30 seconds, and then start the engine. Allow it to idle for 45 minutes. DO NOT touch the accelerator during this time. Then you may drive it normally. GD Edited August 17, 2018 by GeneralDisorder 1 Link to comment Share on other sites More sharing options...
jonesyb84 Posted August 20, 2018 Author Share Posted August 20, 2018 On 8/17/2018 at 4:24 PM, montana tom said: Have you checked for codes ? If you don't have a reader, most parts houses will read it for you for free. There are no codes present. On 8/17/2018 at 4:54 PM, GeneralDisorder said: There isn't one. I assume you either recently reset the codes on the computer or disconnected the battery. The ECU need to relearn it's idle. Clear the ECU or disconnect the battery for 15 minutes. Turn the key on, wait about 30 seconds, and then start the engine. Allow it to idle for 45 minutes. DO NOT touch the accelerator during this time. Then you may drive it normally. GD I'll give that a nudge and see if it works. Link to comment Share on other sites More sharing options...
jonesyb84 Posted August 21, 2018 Author Share Posted August 21, 2018 On 8/17/2018 at 4:54 PM, GeneralDisorder said: There isn't one. I assume you either recently reset the codes on the computer or disconnected the battery. The ECU need to relearn it's idle. Clear the ECU or disconnect the battery for 15 minutes. Turn the key on, wait about 30 seconds, and then start the engine. Allow it to idle for 45 minutes. DO NOT touch the accelerator during this time. Then you may drive it normally. GD This seems to have worked. However i'm curious to how it could have got into this situation after it was only standing (unstarted) for a month. Link to comment Share on other sites More sharing options...
GeneralDisorder Posted August 22, 2018 Share Posted August 22, 2018 Computer lost its memory. Low voltage, poor solder joints, stray cosmic rays. The world may never know. GD Link to comment Share on other sites More sharing options...
jonesyb84 Posted August 22, 2018 Author Share Posted August 22, 2018 11 hours ago, GeneralDisorder said: Computer lost its memory. Low voltage, poor solder joints, stray cosmic rays. The world may never know. GD I'm going to go with the latter. Thank you fella! Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted August 22, 2018 Share Posted August 22, 2018 did you set a code? P2138 or similar? Link to comment Share on other sites More sharing options...
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