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I have a 2003 Olds Alero 2.2 ecotech. I have had trouble with the security system and have had to reset it by turning the key on for 10min. I always works for me. Last week my car would not start, it turned over and wanted to fire, but just wouldn't go. I had the battery checked and replaced, still the same thing, then I changed the spark plugs thinking it was flooded, still no change! I read some comments here and checked the fuel regulator, it was good, there was fuel pressure in the rails. I finally took the fuel relay out and started the car to run fuel out, then reconnected the relay and the car fired right up! Thank you to everyone who posts on here, it gave me ideas of what to weed out to find the issue.
This is tbs10 not sure why but i couldn't sign in under that name- anyway I have an update with my alero stalling problem- it seems to be fixed! After changing the fuel regulator it still stalled, changed the battery, it still stalled, also changed the IAC valve. Finally Daniel said to change the ignition switch and that was it! Runs fine now and test drove for over an hour and no stalls, it was stalling between 20-25 minutes of drive time. Thank you so much for your input and I am so relieved to have this issue taken care of (knock on wood). In the last 6 months i have dumped parts in this car, and while I get great deals on parts (25-40% off) i was getting annoyed that the problem wasn't fixed. Things this car got the last 6 months:
crankshaft position sensor
idle air control valve
front wheel hubs
tie rod ends
With all this I am hoping it will last another 100,000 miles with all the new parts.
tim618/tbs10 I got over 300,00 miles on my 2003 2.2L without half the stuff you replaced.
Still, I'm very lucky to get this far.
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