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Thread: Holley Commander 950
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02-23-2007 #3
New to Pro-Touring
- Join Date
- Dec 2006
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WIdeband "capablity" only has to do with the firmware. There is no hardware in the ECU. You still need the external wideband controller. The firmware/software that is setup for a wideband is versions 3.x.
Look to see if there is a decal on teh back of the ECU that says 3.x.
If it doesn't it might still.
Ask the seller what the firmware version is.
You can upgrade any ECU for under $100, and if you buy a Holley wideband kit (534-188 or 534-197) the ECU upgrade is included.
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