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Does this GMC Truck require an OBDII Cat?
Posted to Emissions Forum on 9/1/2006 14 Replies

Hi EmF,

I had a 2000 GMC Savana 3500 Van with a 4.3L V6 Federal spec 8600 GVWR automatic transmission come in for a smog check. The stored information sent to my smog machine showed that someone had previously punched in 10K GVWR and probably performed a TSI... Login to read more.

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