Mechanics

OLDSMOBILE ALERO SENSOR PROBLEM

2004 Oldsmobile Alero

Hello my 2004 3.4 motor olds alero gets poor gas mileage, 8 in town an 15 on the highway driving 65 miles an hour, ive already changed spark plugs, downflow, O2 sensor, fuel pressure regulator, air filter, cleaned the mass air flow sensor with mass air flow sensor cleaner HELP PLEASE! GOIN BROKE!
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December 28, 2012.



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