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4L80E No overdrive...sometimes

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08-22-2018, 08:32 PM	#10
oltronj Registered User Join Date: Feb 2013 Location: worden, montana Posts: 63	Re: 4L80E No overdrive...sometimes I guess I am not sure what to expect if the ECU had a PROM error but the truck seems to run perfect and shift perfect so I am going to call it fixed.

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