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Sequence For Installing Rebuilt Ecu In 94 Ls400


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Uninstall the ECU, Disconnect the battery neg. cable, Make sure the ECU contacts are clean on both ends, Install the ECU, Connect the battery neg. cable. Start the car. If this does not work have the ECU reflashed.

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Uninstall the ECU, Disconnect the battery neg. cable, Make sure the ECU contacts are clean on both ends, Install the ECU, Connect the battery neg. cable. Start the car. If this does not work have the ECU reflashed.

What do you mean when you say reflashed?

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