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Old June 20th 07, 11:02 PM posted to rec.autos.tech
dahpater
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Posts: 118
Default Engine Miss in Blazer S10 4.3 Vortec

On Jun 20, 5:12 pm, packard > wrote:
> My 1993 S10 Blazer is running low speed rough idle. I replaced the
> rotor and cap, spark plugs (wires are 3 years old), cleaned the EGR
> valve and put a new gasket in the EGR valve.
>
> Can anyone give me an idea of what can be causing the problem?


Clean the throttle plate.
Replace the fuel filter and check the fuel pressure.

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