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2003 OLDSMOBILE ALERO will not start?

It just cranks. what should we do. already set security,checked for firing of plugs and fuel pump pressure 0 psi.put in on position, listened, and didn't here fuel pump kick in???????

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  • Cars & Trucks Master
  • 5,332 Answers

The next step would be to check for power to the pump. You will see a grew wire (the larger of the two if there are two grey wires) in the harness that goes to the pump. There should be power for 3-5 seconds when you turn the key on and anytime the engine is cranking. If there is power than you likley have a bad fuel pump. If there is not power let me know and I'll get you some more info.

Thank you for using FixYa.com

Posted on Feb 10, 2012

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

Exhaustking
  • 43 Answers

SOURCE: 99 Oldsmobile Alero coupe running hot

well, usually in this case, if your coolant resovior is full and you are still holding psi in your system, it is a bad thermostat. what the thermostat does is when the engine block heats up, the coils of the thermostat expand and let coolant through to cool the engine block. so what might be happening is your thermostat is bad, and not letting coolant through, which will cause your motor to over heat.

Posted on Jan 02, 2010

Testimonial: "THANKS SO MUCH!! because i couldn't understand why it was still getting up there on the guage. Sometimes it won't, sometimes it will."

  • 51 Answers

SOURCE: 2000 alero won't start. turns over and fires but wont start

make sure your cap and rotor timing is correct double check spark plug routes (mistakes happen). maybe your timing is off in general.

Posted on Jan 16, 2010

  • 14036 Answers

SOURCE: what is the diagram for 1999 oldsmobile alero

OLDS ALERO FIRING ORDER 2.4 ENGINE FIRING ORDER IS 1 3 4 2 THE 3.1 AND 3.4 ENGINES FIRING ORDER IS 1 2 3 4 5 6

Posted on May 24, 2010

taran_2005
  • 10515 Answers

SOURCE: How do I install throttle

Hi,

I have a 2004 Alero ( similar procedure in your model as well ) and I just figured out today and replaced my throttle position sensor. I'm not sure what the black plastic "box" is called that is above the throttle assembly...but I had to remove that to get to the throttle position sensor underneath. If you can locate the two wires that control the throttle assembly...then the throttle position sensor is on the other side of the throttle assembly. I had to remove the large tube that went from the air filter to the black plastic "box" above the throttle assembly. Also disconnected anything else connected to that black plastic "box". Then pulled that "box" up and right there on the left side of the throttle assembly was the throttle assembly sensor. Here is a web page with a picture that helped me figure out where it was :-


http://en.wikipedia.org/wiki/Throttle_position_sensor

http://www.ehow.com/how_4590680_replace-throttle-body-oldsmobile-alero.html

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Sep 10, 2010

jturcotte
  • 7754 Answers

SOURCE: where is the crank shaft

on the 3.4 liter engine, it's behind the harmonic balancer--you have to remove the crankshaft pulley/balancer to see it.

if you have the 2.4 liter, it's just above the oil filter:

jturcotte_156.gif

Posted on Nov 13, 2010

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1 Answer

2002 Old ALERO drove home find didn't start later turned over fine but didn't fire replaced fule pump about 2 months ago


Pull a plug wire , set the end close to the engine, crank it and watch for spark. No spark could be the cranks sensor, wires, ignition module , fuse, or PCM. Have the codes read. Could be the fuel pump too. I have had them die shortly after installs.

Aug 28, 2016 | 2002 Oldsmobile Alero

1 Answer

I replaced the fuel pump in my 1999 Oldsmobile alero in may of 2012 when I start my car I get a big smell of gas just like I did when it went out before could it be going bad already


I'd use a gage and check proper fuel pressure. Also, check for external gas leak, at the fuel pump--fuel lines--fuel injector/s--fuel pressure regulator, and check evap system.

Feb 20, 2015 | 1999 Oldsmobile Alero

1 Answer

I have a 2003 Oldsmobile Alero 3.4L that wont start. I have done fuel pressure test 50-55 psi and plugs have good spark. However when done light test on injectors there is no response so there is no pulse....


Is the security light staying on ?
Usually the engine will not crank and you have no power to the fuel pump if the security system is disabling the car.
No injector pulse but spark would point to the computer since both use input from the crank and cam sensors.

Dec 22, 2012 | Cars & Trucks

1 Answer

Electrical


clogged injectors, clogged fuel filter, or the pump may have pressure but may not be enough pressure. not sure what the rated PSI should be but the parts store can guide you with that. I would unhook the fuel line just past the filter and make sure fuel flows through it when you turn the key on. if it does you know its not the filter.

Jul 16, 2012 | 2003 Oldsmobile Alero

1 Answer

2003 Oldsmobile Alero will not start. Already replaced fuel pump and screen, spark plugs and wires, fuel filter and relay. What else could it be?


I have a 2003 alero that would not start. It was actually a security problem it locks itself up, there is a quick fix for it though you turn the car to the on position wait 10 min. turn it off for 5 sec. and then turn it over and it should start. Sounds to easy right, thats what I thought someone found it out for me online before I had to throw a bunch of money into it, like others have. HOPEFULLY this will work for you too.

Jan 31, 2011 | 2003 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

FUEL NOT GOING TO INJECTOR


check fuel pump, fuel pump relay, roll over switch or fuel pressure regulator, lastly, check fuel filter.

Jun 26, 2008 | 1999 Oldsmobile Alero

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