tray_182005 Member 1,226 Member For: 15y 6m 1d Gender: Male Location: Wee Waa/NSW Posted 18/02/10 09:21 AM Share Posted 18/02/10 09:21 AM My 380 rwkw tune which was my first one I did, had this light on all the time. I took it to ford and they said it was the exhaust with the emission senor they said dont worry about it Link to comment Share on other sites More sharing options...
tray_182005 Member 1,226 Member For: 15y 6m 1d Gender: Male Location: Wee Waa/NSW Posted 18/02/10 09:23 AM Share Posted 18/02/10 09:23 AM Sorry if it is the pic white night is talking about Link to comment Share on other sites More sharing options...
KIL-06L Member 155 Member For: 15y 9m 13d Gender: Male Location: Sydney Posted 18/02/10 10:09 AM Share Posted 18/02/10 10:09 AM I'd get it checked out mate before you do any damage to your motor! Link to comment Share on other sites More sharing options...
White Knight Donating Members 73 Member For: 15y 3m 20d Gender: Male Location: Sydney Posted 18/02/10 10:26 AM Share Posted 18/02/10 10:26 AM If I'm not mistaken, that MIL only reports errors with emission parameters, which can mean either two class of "problem":1. Your car is not meeting the emission standards programmed into it as acceptable.2. Your emissions diagnostic equipment I.e. sensors, associated wiring may be faulty, damaged, etc.When you are running big power, option 1 is a more likely scenario.Oh, there is a third type of problem indicated by the MIL: Your cat is about to melt. According to the manual the MIL "flashes at a rate of approximately one flash per second". Fail.If the engine isn't receiving the correct information from the oxygen sensors it will substitute it's own values. I don't know if this is usually changed by a tuner (or if it CAN be changed), but in a stock car if I'm not mistaken it generally means your car runs rich at idle and lean while driving (which is not good over time). Link to comment Share on other sites More sharing options...
adrian_celati Donating Members 82 Member For: 16y 29d Gender: Male Posted 18/02/10 12:28 PM Share Posted 18/02/10 12:28 PM (edited) I've just had the MIL engine light turn on on my car and it won't turn off. I walk to work at the moment and I haven't been using the car much for the past few months. The petrol at times has been in the tank for up to a month before refuelling. When the light first came on the car was idling very rough. After a short drive it was idling smoothly again but the light is still on. The car doesn't feel like it has lost any power - could the problem be a build up of crap in the fuel or engine??Cheers Edited 18/02/10 12:31 PM by adrian_celati Link to comment Share on other sites More sharing options...
adrian_celati Donating Members 82 Member For: 16y 29d Gender: Male Posted 18/02/10 12:33 PM Share Posted 18/02/10 12:33 PM ....I know it's sacrelige to leave a car like that (XR6T) locked up in the garage. Link to comment Share on other sites More sharing options...
adrian_celati Donating Members 82 Member For: 16y 29d Gender: Male Posted 19/02/10 10:54 AM Share Posted 19/02/10 10:54 AM The light has now gone off. I put some fuel system cleaner in with a fresh tank of fuel and gave it a few boot-fulls lol Link to comment Share on other sites More sharing options...
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