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Oldsmobile Alero, Engine
#396 of 435 2003 Alero stalling
Nov 01, 2011 (3:41 pm)
OK I'm back again- after going since July with no problems the car is stalling out while driving again -it's basically the same thing as before except before it would stall and start back up and keep driving - now it stalls and now we have to wait a few minutes b4 it will restart and when it does it keeps stalling out. It did finally start and stay running thankfully my daughter made it home. Again it's random but does seem to be getting worse.
#397 of 435 Re: 2003 Alero stalling [netski56]
Nov 01, 2011 (5:23 pm)
On your last post, you said the horn was going off. That's not basically the same as your current problem, which is the car stalling out while driving, so let's work on getting it to stop stalling.
1. tune up, including replacing the spark plugs.
2. Replace the fuel filter
3. Check the fuel pressure
My money is on the fuel filter, but you may have a weak fuel pump. If you haven't had a tune-up, spark plugs could be fouled, causing stalling while at idle.
#398 of 435 2000 olds alero starting issue
Nov 01, 2011 (5:45 pm)
I could really use someone's help. My wife has a 2000 olds alero with 218,000 miles that we have spent a whole lot of money on to keep it goin. The latest issue is that one day she drove the car and it ran fine. She made a few stops i.e the store, kids school...and when she came back to the car it wouldnt start. It would crank and turn over but no start. We towed it to our mechanic and he told us it was the ignition switch which I found to be a lil odd. He said it started for him but the switch was sticking a bit. We went and got the car, let it sit a few days and it started for a whole week. She finally drove it 5 mins away to the store, came back and it would not start again. I checked the fuel rail and it appeared that it wasnt getting any gas so I checked the fuel pump by turning the ignition key to the on position to see if I could hear it and i didnt. So I checked the fuel pump fuse under the hood and it seemed ok so we took it back and had the fuel pump replaced. Our mech told us it started up so we went back to pick it up. She drove it for 3 days and it was starting with no problem...and now its doing it again! We are at our wits end...any ideas, advice or suggestions would be greatly appreciated. Can it really be the ignition switch that is preventing it from starting?
Thanks in advance.
#399 of 435 Re: 2000 olds alero starting issue [morgan71]
Nov 02, 2011 (1:39 pm)
When the car will not start, is the "SECURITY" light blinking? Is it on solid?
If the answer to these two questions is "NO", replace your fuel filter. (at this mileage, you should have already replaced it three or four times)
If the "SECURITY" light is lit, refer to the instructions on my website at...
There are three methods of bypassing the Passlock system. Use the one that seems best for you.
#400 of 435 2003 Alero turns over. No start
Nov 16, 2011 (11:08 pm)
I still own some money on this car and now it won't start. It will crank over but it won"t start. There are no security lights on or anything on the dash. I hear the fuel pump hummm at key in on position. I pushed in the sharder value in the engine and fuel can out so I believe it is getting gas. It has 1/4 in the tank. It does has made a funny noise when trying to start it. It sounds like the starter when u try to start a car that is already running. Yesterday it sounded like it was about to start and then the noise and nothing. It did that twice and then just turned over but no start. I have had the filter replaced and cleaners put in the tank and in the engine about 4000 miles ago. What should I be looking for to fix this. Please HELP.
#401 of 435 Re: 2003 Alero turns over. No start [mdatkins71]
Nov 17, 2011 (12:00 am)
It was the security light. I had not notice it before. I did want a lady said that was in the book about the security and waited a few mins. before starting it and rumm it started. Its in the owners manual
#402 of 435 Re: 2003 Alero turns over. No start [mdatkins71]
Nov 17, 2011 (6:36 am)
Follow the link on post 399
#403 of 435 NO security light, and NO crank. EXPERT NEEDED!
Nov 23, 2011 (5:26 pm)
I'm working on 2003 Alero that I just replace the whole front core support on. I was able to start and drive the crashed car into the garage before I tore it down and fixed the body. The only wiring I touched was the string for the headlights, radiator fans and coolant bottle. and they were not cut or damaged in anyway due to the accident. After measuring up the front end, and welding the new front end on with no battery in the car so no electronics should have been cooked from the welding; I reassebled the car and put all the new sheet metal on. I ground the battery and the engine to the old ground locations next to the battery. and everything should be plugged in correctly. I got in the car turned it to the on position and all the lights and horn worked like they were supposed to, no security light, no check bulb light, the fuel pump primed the system and it was ready to go like it should. Everything looks correct, I then proceed to start the car, and I get nothing only the click from the relay for the headlights turing on and off. all of the lights go out on the dash and headlights go out. I used a test light to determine if I was getting power to the signal wire on the starter silinoid, and I am NOT. So I began checking everything in the system.
I have RESET the security multiple times even though no security light shows up. with no change in the condition of the car
I have checked all of the fuses and cables including fallowing them to the neutral position switch, fuse box, relays, switching relays around to see if there is a change, and there is none.
I have by-passed the relay and the starter Cranks so the starter is still good.
I have used a test light on the crank fuse, and when the key turns to the start position the crank(10A) fuse lights up and works.
I have switched batteries and put chargers on them to make sure I have good battery power.
I have put the car in neutral and all other positions and still the starter doesn't crank.
I have hooked up a code reader and the reader would not connect to the car/ would not recognize a connection. ( I dont know why?)
I did notice the radio said calibration on it but I'm not sure what that is trying to tell me.
I'm Out of ideas and need help, I find it hard to believe that the ignition went bad and I need a new tumbler and set of keys when their has never been a problem.
#404 of 435 Re: NO security light, and NO crank. EXPERT NEEDED! [pilchermt]
Nov 24, 2011 (7:27 am)
From your description, I would guess one of three things are causing your problem.
1. Broken wire in the control circuity, caused by the original crash.
2. Park/Neutral Switch not engaged properly. (must be in park/Neutral to start)
3. Clutch Switch not engaged. (clutch must be depressed to start)
Here is a wiring diagram of my 2002 Grand Am, which should be very close to what you have. I hope it helps.
You can left click on the image and choose "view image" to get a bigger view.
#405 of 435 Re: NO security light, and NO crank. EXPERT NEEDED! [lovemygrandam]
Nov 24, 2011 (8:58 pm)
Sorry, What I meant was you can "RIGHT CLICK" on the image in the previous message and choose "View Image" to see a larger view.