gt4tosupra Posted June 9, 2009 Share Posted June 9, 2009 I have just taken the battery terminals off to clean them, the funny thing is though that when i reconnected and started the engine, it only idled at 600rpm, even tho the engine was cold! This exact same thing happened last time i did this! Last time it went back to normal after i drove it for about 15 miles to work, why does this happen? Quote Link to comment Share on other sites More sharing options...
Dave17 Posted June 9, 2009 Share Posted June 9, 2009 My guess would be because you have reset the ECU by denying power to it for a while. When it is supplied again it relearns everything... Quote Link to comment Share on other sites More sharing options...
gt4tosupra Posted June 9, 2009 Author Share Posted June 9, 2009 How does it do that then? Quote Link to comment Share on other sites More sharing options...
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