2001 Buick Century Starter okay but won't run

Tiny
CATHODERAY
  • MEMBER
  • 2001 BUICK CENTURY
  • 3.0L
  • V6
  • FWD
  • AUTOMATIC
  • 190,000 MILES
Bought used and drove about 12 times. Last trip it wouldn't start. Battery charge is full, 12+V to the starter but not the relay. Jumped from battery+ to starter relay terminal and engine turns over and revs with gas pedal but stops after two seconds, very repeatable.
Monday, June 15th, 2015 AT 4:22 AM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So it will crank but no start?Is the security light on solid or flashing with the key in the run position?
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Monday, June 15th, 2015 AT 6:48 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Try resetting security system first see pic
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Monday, June 15th, 2015 AT 6:48 AM
Tiny
CATHODERAY
  • MEMBER
  • 2 POSTS
With power hot-wired to the starter relay, and the key in On (or even in Crank) the engine turns over, starts, makes power, revs-up briefly if gas pedal is pushed, then stops cold. Wait a few seconds hotwire again, same result.

Without hot-wire, turn the key to On get all the dash lights, turn key to Crank, dash goes dark, then back to On and dash lights come back.

I remember looking at each of the dash lights (appears to be lamp test mode) but don't recall seeing "security" light.
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Monday, June 15th, 2015 AT 8:49 AM

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