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I have a 2003 olds alero with a 3400 new fuel pump crank and cam sensor and pass lock is not flashing turns over but will not start can anyone help

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Reset the security by turning the ignition switch on(not start) for 20 minutes, not less, more is ok. Turn the switch off, then attempt to start. If its a security issue, this should cure it.

Posted on May 10, 2017


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The pump gets power from the pump relay, for 3-5 seconds during cranking, and then once the engine computer sees oil pressure or RPM. The engine computer grounds the relay.

Jan 21, 2014 | Cars & Trucks

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I have a 2003 alero that keeps having starting issues. I've replaced both crank shaft sensors, the pcm, cam shaft sensor, catalytic converter, spark plugs, had a tune up, and replaced the battery since...

if fuel pump is working, and the pressure is ok! then check for a faulty Ignition switch,not the ignition lock and key, but the switch itself.

These are notorious for this and have the exact same symptoms. if fuel pump does not work, check relay in fuse box. hope this helps you! check the pump relay first. just swap the relay from another spot to see if this helps.
good-day! if all fails, go to store and buy a can of compressed air in a can and put staw in ignition and spray it good a few times this may help because on these cars they get dust in ignition, and it messes up the contacts. the same as you would use for cleaning keyboard dust- you can buy it at Best Buy, hardware stores etc)
- place the thin extension "straw" (that comes attached to the can) on the nozzle
- blow out the key hole (use at least half a can of the compressed air)
- soak the key in rubbing alcohol for few minutes
-dry the key.

Aug 19, 2011 | 2003 Oldsmobile Alero

1 Answer

2003 land rover freelander will not start

cheaper to have codes read than replacing parts that may not be required, but yes could be crank sensor

May 26, 2010 | 2003 Land Rover Freelander

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Shutting down

Try replacing the air filter.

Dec 21, 2009 | 2003 Oldsmobile Alero

1 Answer

2004 Alero... Cranks but won't start, have to

Yes. pass-lock has roughly a 10 minute timer.

Dec 01, 2009 | 2004 Oldsmobile Alero

1 Answer

Hard starting and dies at times while driving.

ignition coil pack it intermitten.

also check the crank sensor and the main crank pulley, this is where the engine gets its firing orders from

Jun 23, 2009 | 2001 Oldsmobile Alero

3 Answers


Check to make sure the Security light in dash on right hand corner is not on. If it is on , your passlock is enabled. to dissable it turn your key on but not start it and wait for apx 10-15 minutes. this should re-set it.

Jan 22, 2009 | 2003 Oldsmobile Alero

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