Sometimes white smoke comes out of my carburetor. Not too often. Car runs good except for a hesitation here and there and wanting to stall out. It recently started backfiring and in the last backfire, the idle went up and it will not come down. The backfire was loud and it smelled like smoke. Note: recently I installed a refurbished computer controlled quadra jet carburetor because my previous carburetor was in need of work. I installed a new O2 sensor, new spark plugs, EGR valve, ignition wires, cap and rotor, and ignition coil. I ran out of options and the car it just feels bad. I suspect the timing chain because of the latest backfire. Please any help I would greatly appreciate it.
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Saturday, November 25th, 2017 AT 4:57 PM