1998 Buick Park Avenue Car cut off while driving

Tiny
THISDAMNBUICK
  • MEMBER
  • 1998 BUICK PARK AVENUE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 157,000 MILES
I was driving one day when the car just shut off. I waited a few mins and restarted it. I got maybe a mile down the road and it died again. I went through this process 4 times, on the 4th time it wouldn’t restart and I had to have it towed home. I had the battery checked (it was bad) and replaced it. I also had the charging system checked and it was fine. I was trying to troubleshoot the car a little more this weekend. I have fuel (55 lbs) and fire.
I tried to start the car, which appeared to be dead so I jumped it. I was letting the car run waiting for it to die to check the fuel pressure again. Once the car was warm it did die, however, this time it wouldn’t restart and it seemed as if it had no power at all (no lights, door bell, etc) I was able to get the car jumped once more, however all the instrument lights flashed and the door ajar bell and turn signals as well sounded very slow and odd. I was able to get one test on the fuel pressure, which tested at 44 lbs this time but I’m unsure if the reading was even correct. I haven’t been able to start the car since then. I’m at a loss. Originally I thought it may be my crank sensor or fuel pump, but now I’m unsure. Could it possibly be the BCM or PCM? Thanks in advance for your time.
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Monday, October 5th, 2009 AT 1:31 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
If I understand, you are getting fuel and spark to the engine. However, are you getting an injector pulse? Will the vehicle start with starting fluid? Also, how long did it run before shutting down? Was the battery dead when it died?

Let me know so I can try to eliminate some things.

Joe
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Monday, October 5th, 2009 AT 9:31 PM
Tiny
THISDAMNBUICK
  • MEMBER
The vehicle has no power now, but yes, prev I was getting a injector pulse. The battery was low, but not completely dead when it died. I have since replaced the battery. I have the new battery on the car, but when I turn the key to on, there is no power, lights, radio, anything. It was running maybe 30-40 mins when it died.
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Thursday, October 8th, 2009 AT 6:44 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
THis is an interesting one. First, we need to start at the source, the battery. Make sure the terminals are clean and tight, the ground to the engine block is clean and tight, and all wires appear to be in good condition. In fact, if you know how to check continunity, check both the ground and positive cable.

IF they are good, I need you to locate the power distribution box under the hood. There are several main fuses that can shut the engine / electrical system down. Check them too. If they look good, check to make sure they are not corroded or loose.

Let me know what you find.
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Thursday, October 8th, 2009 AT 8:51 PM

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