How Do You Reset The ECU?

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Old 08-04-2004, 11:28 AM
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How Do You Reset The ECU?

i have a 99 3.0CL and would like to know where and how to do it...shortcuts and the right way would both be good...
Old 08-04-2004, 12:14 PM
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Just disconnect the battery (Disconnect the negative first!). You'll need a 10mm socket.
Old 08-04-2004, 01:25 PM
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well disconnecting the neg is all you really need to do, but you could pull the ecu fuse and wait if you dont have the radio code, assuming stock hu.
Old 08-04-2004, 02:35 PM
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if i install a muffler do i need to reset the ecu?...but def. for a muffler right?
Old 08-04-2004, 02:59 PM
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disconnect the neg, step on brakes till the brake lights don't go on nemore, then reconnect the battery. if you have a learning ecu, then drive fast for awhile, and the car will be faster
Old 08-04-2004, 03:06 PM
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Originally Posted by EddieJP125
if i install a muffler do i need to reset the ecu?...but def. for a muffler right?

You don't need to but it's a good idea to.
Old 08-04-2004, 03:07 PM
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you never need to...
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