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Did the dealer find it bad or did you just replace it anyway?

Even if the dealer says its OK? How much did it cost?

I have a 2000 Tahoe 5.3 that has the same symptoms. Won't idle when cold. Need the feather the throttle. Starts and idles fine warm. The dealer cleaned the TB. I picked it up. Would not start at home. Got it back to the dealer. They have problems duplicating. I gave them the info on the...