Question about 1999 Oldsmobile Eighty Eight

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Starts but dies right away

When you start the engine it starts after turning over a time or two but dies right away then will not start again until it sets for at least 2 or 3 minutes then the same results. I have checked the fuel pressure, vacuum limes, replaced a bad alienator, and reset the vats system at least a dozen times. HELP........

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  • Oldsmobile Master
  • 5,628 Answers

Could be crankshaft sensor,fuel filter,tune up coils and module.

Posted on Apr 25, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

godspeed808
  • 125 Answers

SOURCE: olds alero 2.4 idle fuel pressure

most likely idle air control sensor or low engine coolant I know sounds funny but IAC uses coolant to regulate idle. Idle air control valve or throttle body positioning sensor.

Posted on Feb 26, 2009

GM Elec
  • 1000 Answers

SOURCE: 1996 Olds ciera, V6, Engine dies when put in drive

Try disconnecting the electrical connector at the transmission and see if it stall when you put it in gear. You will get a service engine light, but not to worry, it will go back out once you reconnect.
By disconnecting the wire connector we can tell if it is transmission related.
Good luck, let me know.
Regards,

Posted on Mar 08, 2009

MNfisherman
  • 11896 Answers

SOURCE: 2003 Olds Alero Will turn over but not start

Hard to determine without a diagnostics test. Since you replaced modulator and fuel pump and have same probelms, I was wondering:
Does it not fire or not turn over at all?

If you are not getting power to fuel pump at all times, that it may be a fualty Computer which can be about $400 to repair. VERY COMMON PROBLEM WITH GMs.

Do you have any engine codes? Or is your check engine light on?

Have you checked all your relays? This is the first thing I would do. You can check them with a digital ohmmeter or voltmeter.

Posted on May 13, 2009

  • 6982 Answers

SOURCE: 2003 OLDS ALERO WONT START

find the buzzing noise...likely its the fuel pump relay.

Posted on May 28, 2009

  • 6982 Answers

SOURCE: turn the key and nothing happens,no crank,no sound,no start

It seems that you have a loose wire, bad connector or perhaps the main computer itself that is causing a problem If the shop is not seeing any codes, or codes come and go, likely I'm right...but someone is going to have to actually do some intensive testing to find the real cause. You can likely get another computer from a local scrapyard far cheaper than what the dealer will charge you...as far as wiring, you need a good accurate schematic a good volt/ohmeter and lots of time to trace wiring. When checking connectors test the pin, then probe the wire going into the pin...often the problem is where a wire meets the backside of the pin, either corroding or breaking..This also applies to any modules such as the security system...what you see on the dash does not always tell you that connection to components is good. This is not a "fix, but rather, a direction to go in. (exactly what I"d need to do if I was there)
Right now, everything is suspect including fuel system, till you rule it out!!!

Posted on Jun 05, 2009

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