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Cars & Vehicles
Geo Prizm
Chevy Blazer S-10

Recently had tune up work on my 1991 GEO Prism and after driving for a week the car starts to idle rough. What could be the problem?

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Wiki User
June 22, 2007 5:39PM

Did they change the fuel filter and the air filter as well. Odds are they didn't replace the fuel filter as they're kind of a pain in the rear to get to.