Question about 1999 Oldsmobile Alero

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99 alero turns over fine fires and runs for 5

99 alero turns over fine fires and runs for 5 seconds and then shuts off

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  • Tim steer Dec 15, 2011

    If security light is on steady or flashing it needs password set in computer. Turn key to on position for 10 minutes then off once and try start . If starts let run for 5 minutes and do not attempt to engage transmission during this time. There are solutions on web to have computer re- learn security password which take about 30 minutes. Hope this helps

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Is your security light flashing when it does this? If so, it is going into anti theft mode. Do you have the correct key for the car? Not an aftermarket one either.

Posted on Mar 07, 2009

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I just replaced the ignition switch and lock in my 2000 alero and now it starts and runs fine but the security light is on and stays on. How do I reset this security light?


TURN THE IGNITION SWITCH TO THE ON POSITION FOR 10 MINUTES WITH ENGINE OFF.UNTIL SECURITY TURNS ITSELF OFF.THEN TURN OFF IGNITION SWITCH WAIT 5 SECONDS.THEN START THE ENGINE.IF SECURITY STILL ON DEALERSHIP HAS TO FIX.

Jan 18, 2011 | 1999 Oldsmobile Alero

1 Answer

Diagram of coil and firing order opf 99 alero


back of engine is 1-3-5 front is 2-4-6. coil order is 5-2-3-6-4-1 all numbered from passenger to driver side

Oct 10, 2010 | 1999 Oldsmobile Alero

1 Answer

I have a 99 alero. The computer by passenger floor was changed. The computer that replaced it has the same part number as the old one. I turned the key on for 10 minutes and waited to reset the security...


MOST THE LATE MODEL CARS OBD 2 PCM CONTROL FROM 1996 - 2011 WHEN EVER YOU REPLACE THE PCM BEST FOR DEALERSHIP TO FIX BECAUSE THE PCM - CRANKSHAFT SENSOR - ANTI THEFT SYSTEM HAS TO BE REPROGRAMMED.

May 15, 2010 | 1999 Oldsmobile Alero

2 Answers

I REPLACED THE FUEL PUMP ON MY 2003 OLDSMOBILE ALERO BUT IT WILL STILL NOT START. wHAT ELSE CAN i TRY


Im not sure if you got your alero to start yet. But heres an Idea, The alero comes with a security feature that if you have 3 failed starts it activates. a good sign of this is while having the key turned does your security light flash on the dash. if so turn the key forward with out starting the car and leave it on for 10 minutes and then the security light on the dash should stop flashing. Now turn the key off and remove key stick key backin and turn over to start car. Did your car start ??

May 10, 2010 | 2003 Oldsmobile Alero

2 Answers

How do I shut off the service engine light on a 99 olds alero


YOU DISCONNECT THE BATTERY NEGATIVE CABLE FOR 5 MIN'S OR U USE A OBD 2 SCANNER AND SHUT IT OFF ELECTRONICALLY.

Nov 11, 2009 | 1999 Oldsmobile Alero

1 Answer

99 Alero battery light comes on, but starting


The problem may be your alternator.
Check the alternator 'IND' wire is properly connected.
Check the alternator is charging OK - Battery terminal voltage 14.0 - 14.5V approx when running.

Sep 21, 2009 | 1999 Oldsmobile Alero

1 Answer

Fuel emergancy shut off switch for 99 dodge caravan


It's not the fuel shut off. It wouldn't run at all. There's many things to check yet.

Jun 24, 2009 | 1999 Dodge Caravan

1 Answer

2000 alero, started up fine, after about 5 mins on road upon accel it hesitated and felt as if it would turn off. Came to a stop and then upon accel to go., same thing. Went down a hill and upon accel to...


This is a Direct result of a Bad Alternator. You can Run on what is left in the Battery for a Little while and if it sits for a While the Battery will retain enough Power to Start. You may need a New Battery in Addition.

Jan 17, 2009 | 2004 Oldsmobile Alero

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