Question about 2003 Oldsmobile Alero

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I have a 2003 Olds Alero. Last week the oil change light came on. That same day, it suddenly started running rough when idling. Things I've done to try to fix the problem: * Fuel pump was replaced November 2009 (unrelated to the current problem, but something to know) * Changed the oil this week * Added Sea Foam to the fuel * Visually checked for vacuum leak I live in Ohio, and the car has about 120,000 miles, should weather and mileage make any nevermind. Thanks!

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Adding sea foam to the fuel line will do what it's ment to do and that is clean the fuel line of dirty kunk did u Change your fuel filter at the same time ? Spark plugs did you plug a diagnostic scan to the car ? You have any check engine light on

Posted on Jun 02, 2017

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Is the check engine light on? I'm sure changing the oil had nothing to do with how the vehicle is running now unless they didn't replace the oil drain plug or added enough oil.

Posted on Jun 02, 2017

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Posted on Jan 02, 2017

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SOURCE: 99 OLDS ALERO 2.4 IDLING PROBLEM

intake manifold has a vacum leak or other vacum leak hose etc.

Posted on Dec 03, 2008

godspeed808
  • 125 Answers

SOURCE: olds alero 2.4 idle fuel pressure

most likely idle air control sensor or low engine coolant I know sounds funny but IAC uses coolant to regulate idle. Idle air control valve or throttle body positioning sensor.

Posted on Feb 26, 2009

  • 6982 Answers

SOURCE: 2003 OLDS ALERO WONT START

find the buzzing noise...likely its the fuel pump relay.

Posted on May 28, 2009

  • 2501 Answers

SOURCE: shutting down

Try replacing the air filter.

Posted on Dec 21, 2009

  • 14036 Answers

SOURCE: i have a 1999 olds

CHECK FUEL PUMP RELAY AND FUSE.IF ALL IS GOOD FUEL PUMP MORE LIKELY FAILING.

Posted on Oct 01, 2010

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