Question about 1987 Chevrolet Spectrum

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1987 chevy spectrum just got it for son. sat for a year (w/fuel in it). cleaned carb, added treatment, changed fuel filter, plugs. runs good accept when you are at a stand still (stop light, sign, etc.) when you take your foot off brake and if you do not immediately mash gas it stalls. Also, while driving uphill seems to want to decline in speed. Have been told throttle position sensor, diaphragm, pressure regulator...all of which we cant find (literally in car or to purchase). cant find diagrams of the car online to locate position of items in vehicle and when you look up parts on car part sites it shows the item itself but "unavailable" any suggestions?

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If it's a carbureted system, maybe the idle speed can be adjusted with a screw. Not sure on the Chevy Spectrum.

Is this Chevy Spectrum the carbureted model or the Fuel Injected model?

If carbureted maybe the idle stop solenoid is bad.
This will be located near or on the carburetor throttle cable pulley.

Posted on Nov 12, 2010

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Posted on Jan 02, 2017

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