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Buick

Tiny
JAYSON360
  • MEMBER
  • 1998 BUICK LESABRE
  • 3.8L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 100,500 MILES
Car will start and run for about a minute. It's almost like it grounds out and I lose everything. I thought the altenator wasn't charging so it was replaced. Didn't fix it. I checked fuel pressure and there was literally nothing in the fuel rail when I purged it. Car will start if I hold it to the floor but when I let off it cuts off. Sometimes it loses power. Fuel pump is about a month old. Also while im driving in the dark I see my headlights and interior lights diming. Like there is power surging through the car. I think there is something thats causing the fuel pump to shut down. I dont know what though?
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Saturday, January 16th, 2016 AT 1:04 PM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Try a different key first then check battery for condition including load test. Most places do for free
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Saturday, January 16th, 2016 AT 2:43 PM
Tiny
JAYSON360
  • MEMBER
  • 13 POSTS
I'll give it a shot. But the battery is only about a month old.
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Saturday, January 16th, 2016 AT 2:51 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Even new batteries go bad. But the key may be worn and using security to shut the car down as well. Also check fusiblelink going to alternator
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Saturday, January 16th, 2016 AT 3:05 PM
Tiny
JAYSON360
  • MEMBER
  • 13 POSTS
10-4 thanks
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Saturday, January 16th, 2016 AT 3:07 PM

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