What might cause your 2002 Silverado 4.8 to run rough under a load could be clogged fuel injectors or a clogged fuel filter. It might also run rough under a load because of a transmission sensor issue.
Clogged fuel filter Failing fuel pump Dirty plugs Failing plug wires Dirty Air Filter
my 1990 300zx is idling rough what could cause this?
My 92 Silverado right front brake sticking why
ignition module
SEAT BELT
There could be several reasons that your 1995 Chevrolet pickup truck, will not accelerate and idles rough. The most common reason is a plugged fuel line.
fuse link
piston slap. very common
the radiotor or the cams
faulty actuator switch. GM had some problems with these.
Oil leak and overheating?
There are several things that can cause your 1993 Nissan 300 to idle rough. The most common cause is dirty spark plugs. Bad spark plug wires can also cause the problem.