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Help me solve after tune mystery

Originally Posted by redondoaveb Most likely that's the issue I had the ecu reset by a shop at a cost .. Is there a way to reset the ecu without

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Old 03-07-2021, 03:47 PM   #1 (permalink)
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Originally Posted by redondoaveb View Post
Most likely that's the issue

I had the ecu reset by a shop at a cost .. Is there a way to reset the ecu without a shop?

I have an ebay ODBII blue tooth ... nothing special but the codes for the ABS didn't show up on my reader only the shop's reader.
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Old 03-07-2021, 04:30 PM   #2 (permalink)
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I had the ecu reset by a shop at a cost .. Is there a way to reset the ecu without a shop?

I have an ebay ODBII blue tooth ... nothing special but the codes for the ABS didn't show up on my reader only the shop's reader.
Someone may correct me if I'm wrong but you should be able to disconnect the negative barrety terminal, wait a short amount of time and reconnect it. That should do a reset
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Old 03-07-2021, 05:15 PM   #3 (permalink)
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Someone may correct me if I'm wrong but you should be able to disconnect the negative barrety terminal, wait a short amount of time and reconnect it. That should do a reset
Instead of waiting, one can press on the brake pedal for a second or two.

Engine may run a little rough for a few minutes while the ECM relearns the engine. Will have to go through several drive cycles before emissions system will report as ready.
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