Porsche 993 Turbo ECU Software Upgrade
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Performance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air/fuel ratios, and boost pressure (if applicable).
NOTE: ECU upgrades are available for all 993 Turbo models, but you must specify which style of ECU your vehicle requires. Early model 993 Turbo (1995) use an ECU EProm Flash, while the later cars equipped with the "drive-block" feature (1996-1997.5) use an OTP-style ECU. You can verify that your car requires an OTP by inspecting the stickers on your factory ECU. Late model 993 Turbo (1997-1998) use a regular ECU flashing procedure.
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If the number on the Porsche sticker is 993.618.666.00, 993.618.666.01, 993.618.666.02 then you will need to select the OTP ECU Flash option.
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If the number on the Porsche sticker is 993.618.666.10, 993.618.666.11, 993.618.666.12 then you will need to select the ECU Software option.
IMPORTANT:
If you are ordering this package with the optional ECU Tuning Upgrade, you must click the link below to download & print the instructions and ECU tuning form.
This form is to be included with your ECU shipment to us so that we can custom tailor the tune to your specific vehicle and meet your needs.
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