Question about 2002 Oldsmobile Alero

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Driving sputtered and would not start. Acts like

Driving sputtered and would not start. Acts like a fuel pump but I have read that it could be electrical problem

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It could be a fuel filter, Mass Air Flow sensor, extremely dirty air filter...in other words a number of things. Check the air filter. If clean or ok then, while at idle, disconnect the MAF sensor plug and listen for a differance in idle speed or smoothness. This ONLY tells you the MAF is "doing something". lol. If idle remains the same, you'll know the sensor is a problem. (check a manual or the owners manual for exact location of the MAF sensor. It IS in the intake hose/filter box)
It also could be clogged/dirty fuel injectors. Try putting a name brand cleaner in the tank. Berryman B12, STP, Lucas, ect ect. and drive it (if possible) at least 50 miles. Let it sit and run if not drivable, keeping an eye on the temp. Some overheat on extended idle.
Good luck. :-)

Posted on May 26, 2010

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Posted on Jan 02, 2017

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