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sprinkles08, ASE Certified Technician
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Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Toyota Landcruiser: how do reset/ reprogram ecu for 4.7 petrol

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how do reset/ reprogram ecu for 4.7 petrol landcruiser
in backyard

Hello and welcome to JustAnswer!


You can reset the engine controller's memory by simply disconnecting the battery for thirty seconds or so. This will erase all fault codes, fuel adaptives, etc.


Reprogramming can only be done with a scan tool and involves downloading a software update from the manufacturer (or writing custom software in the case of performance upgrades) and then programming the new software in with the scan tool.

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