Question about 2002 GMC Sierra C/K1500
Could be a coil problem or what controls the coils. like a crankshaft sensor camshaft sensor.
Maybe the injectors are sticking.
Just a few things to take inconsideration while testing.
if the cylinders are on one side possible wiring problem, if they are scattering then could be the above things.
Posted on Feb 09, 2009
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