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chipped ecu---do you need to disconnect the battery when you change chips or swap out the ecu?

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Old 10-14-2003, 02:47 PM
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Default chipped ecu---do you need to disconnect the battery when you change chips or swap out the ecu?

do you need to disconnect the battery when you change chips or swap out the ecu?
Old 10-14-2003, 02:49 PM
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Default Re: chipped ecu---do you need to disconnect the battery when you change chips or swap out the ecu? (

swaping out an ecu should kill the memory, but if not just undo the battery.
Old 10-14-2003, 03:03 PM
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Default Re: chipped ecu---do you need to disconnect the battery when you change chips or swap out the ecu? (

Unplugging the ecu is all that needs to be done to clear it. I have changed chips at the track with only shutting the car off and the launch rpm would change but I believe blake had observed that the fuel may not instantly be changed even in open loop unless the ecu is cleared.
Old 10-14-2003, 04:24 PM
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Default Re: chipped ecu---do you need to disconnect the battery when you change chips or swap out the ecu? (

I was concerned about maybe blowing a fuse or something if thebatery was connected.
Old 10-14-2003, 05:42 PM
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Default Re: chipped ecu---do you need to disconnect the battery when you change chips or swap out the ecu? (

Naw i never had a problem
Old 10-14-2003, 06:27 PM
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Default Re: chipped ecu---do you need to disconnect the battery when you change chips or swap out the ecu? (

no, thank god.
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