Engine stall and backfire

Asked by Mar 08, 2016 at 01:01 PM about the 1992 Chevrolet C/K 1500 Silverado Extended Cab SB 4WD

Question type: General

My 350 vortec 1992 starts up on, idles rough on all
8 cylinders but when I try to drive off or rev it up, it
will pop through the tbi, but if I put my foot in it
hard, it revs . When I try to drive of normal it with
pop, , sputter, and start to blow black smoke
(loading up). But if I but! For in it hard it will break
the rear wheels lose and fun beautiful until I ease ,
than runs rough. New cap, rotor, plugs, wires. Any
ideas?  Any advice will be appreciated. Thank you!

1 Answer

72,215

They did not make a 8 cylinder Vortec motor until 1996. So what is it you have? I see you mention a TBI, is that what you have?

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