2000 Buick Lesabre

Tiny
BORUCHH
  • MEMBER
  • 2000 BUICK LESABRE
2000 Buick Lesabre 6 cyl 125000 miles

i have a 2000 buick lasabre the car cranks but wont catch someone read on the code reader computer it came up with anti-theft fuel detterent. He also checked the spark plugs and there was no spark. I spoke to a diffrent mechanic he said this reading is in error it could be a diffrant problem. I checked the module and the coil packs someone said it might be the crank sensor. I want to know if from the symtoms it can be somthing else or it is the anti-theft system and what I should do to fix it, will it help to reflash the PCM.
barry
Friday, June 26th, 2009 AT 3:13 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
IT sounds like the security system is active. It will shut down both the fuel and ignition system. A dealer is the only place I know of that has the proper equipment to properly test the system.
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Monday, July 13th, 2009 AT 10:39 PM

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