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Start up problem with 2003 Oldsmobile Alero

I just had my fuel pump replaced on my 2003 Oldsmobile Alero 2.2 4 door sedan and I've been having problems with my car starting. When it finally turns over and starts it drives fine. Now it's been shutting off in the middle of driving. When it does this it starts right back up. Diagnostics reported: Bank 1 Sensor 1 02 Sensor Fault and Air valve high idle fault. Any suggestions?

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  • aleroowner
    aleroowner Jul 31, 2009

    P.s... I already changed the vacuum hose from the air cleaner housing to the cam cover.. :)

  • aleroowner
    aleroowner Aug 26, 2009

    I had the Ignition cylindar/switch replaced and my care runs perfect now.

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  • 69 Answers

Oxygen sensor. may be running way to rich

Posted on Jul 31, 2009

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How to go about replacing the fuel pump in 2003 Alero GL


here is a link to a video that will show You exactly how to fix the
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https://youtu.be/giURw81hWzk

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1 Answer

2003 oldsmobile alero fuel pump


relieve fuel pressure (pull fuel pump fuse run car until it quits,) siphon fuel from tank, drop tank, remove wires and hoses,fuel pump is in tank, to remove, use snap ring pliers to remove pump retaining ring, pull up on pump, be carefull not to damage screen or sending unit in tank when pulling out.

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