simbasupra Posted February 21, 2010 Share Posted February 21, 2010 After leaving the supra for around 2 months, and getting a dead battery. I charged the battery however the idle is now so low it stalls unless i depress the accelerator. After reading a few similar threads im unsure if this would be caused by stale fuel or a ecu problem that could possibly be reset. Any advise would be most appreciated. Thanks. Quote Link to comment Share on other sites More sharing options...
Abz Posted February 21, 2010 Share Posted February 21, 2010 Have you taken it out for a long drive? Nice little motorway blast? I would think it would most likely be throttle sensor or something along them lines? It would be good to get a good blast. My dropped RPM & was sitting in the 300-500RPM, seems like the accelerator cable was a little slack, now idling on 500-600RPM. Quote Link to comment Share on other sites More sharing options...
supra matt Posted February 21, 2010 Share Posted February 21, 2010 How long did you leave it running ? your best off going for a good drive as the ecu will need to relearn it's limit's mate ( Same as above ) Quote Link to comment Share on other sites More sharing options...
dude Posted February 22, 2010 Share Posted February 22, 2010 You have prob managed to re-set the ECU by leaving the battery flat, it will improve as you drive it Quote Link to comment Share on other sites More sharing options...
bigbloodyturbo Posted February 22, 2010 Share Posted February 22, 2010 I got this when I'd disconnect the battery after installing a fuel cut defender. It would drop untill it almost stalled. It will be fine after you've driven it a couple of times. Quote Link to comment Share on other sites More sharing options...
nigelboyne Posted February 22, 2010 Share Posted February 22, 2010 20 odd miles will have it sorted Quote Link to comment Share on other sites More sharing options...
j1mb0b1 Posted February 22, 2010 Share Posted February 22, 2010 Yes when you loose power to your ECU and it resets you have to give it time to relearn. A long drive will do this Quote Link to comment Share on other sites More sharing options...
simbasupra Posted February 23, 2010 Author Share Posted February 23, 2010 cheers guys will give it a drive and see if that does the trick. Quote Link to comment Share on other sites More sharing options...
Terminator Posted February 25, 2010 Share Posted February 25, 2010 After an ECU reset, you car will be expecting 101 octane Japanese fuel, not the rubbish we have here. Quote Link to comment Share on other sites More sharing options...
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