2000 Chevrolet Blazer with a 4.3 Vortec V6 is very hard to start and seems to be
flooding. When the engine fires and starts it is missing bad and running
extremely rough. I am sure that without the excellerator pedal being held to
maintain 1000 rpm the engine would die. What should we start with to diagnose
the problem or problems? Please advise as replacing parts using the shade tree
can be very expensive.
Bad cam is a common GM problem Also do a pressure check on the
injector system to see if you have a leaking injector (assuming your
(seams to be flooding" is based on sound judgement) and also check to
be sure the vacuum controlled fuel pressure regulator is not leaking,
pouring raw gas into the intake.
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