1994 Toyota Camry surging while idling

1994 TOYOTA CAMRY
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NEEDSHERCAR
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Engine Performance problem
1994 Toyota Camry 4 cyl Two Wheel Drive Manual 20000+ miles

I was at a stoplight and I noticed I could feel vibrations from my motor through my feet. I turned my music down and sure enough I could hear my engine surging. I looked at my dash and my RPMs are going up and down from one 1 to 2. What's causing this?
Dec 16, 2008 at 9:27 PM
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RASMATAZ
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Do you have a check engine light ?

When was the last tune-up is it overdue? If so get it done-also have the idle air control valve/EGR and PCV valves/Throttle position and MAF/Airflow meter checked out-
Dec 16, 2008 at 10:04 PM
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NEEDSHERCAR
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thank you soo much for responding! no there wasn't a check engine light. The only thing different on my dash was the RPM thing.

yes i think it is overdo for a tune-up. What is a tune-up exactly?
Dec 17, 2008 at 12:30 PM
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RASMATAZ
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Its a preventive maintenance such as replacing plugs, wires, cap, rotor, fuel and air filter, PCV valve, Adjusting ignition timing and valves as needed-etc to obtain optimun engine performance-
Dec 17, 2008 at 12:36 PM