Throttlebody Backfire
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Senior User
Joined: Jul 1999
Posts: 246
Likes: 0
From: Monroe, NC
Throttlebody Backfire
I was wondering what may cause my truck to backfire through the TB. Once the truck has warmed up and is idling if I hit the gas it will backfire, as many times as I may do it. Have not checked the timing lately but about a year ago it was fine. I did just put a new cap and rotor on a few months ago but other than a used flowmaster 1 in 1 out nothing new.
