On Sep 6, 4:00*pm, "deafone" > wrote:
> I have a 95 chevy blazer s10 with a vortex v6 in it sometimes it wont start
> after it has set overnight it seems to like after you let of the key like
> it wants to fire but wont till after a few minutes of cranking the engine
> over a few times. could it be fuel pump I changed the filter on it the one
> under the drivers seat area also is there a way to check fuel pressure on
> it.
>
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vacuum may be leaking to EGR on cold start, plug vacuum line to EGR
and see if cold
start improves. If so, MAP sensor needs replaced.

RRB