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1999 Chevy Suburban Security Light

Tiny
MESHER
  • MEMBER
  • 1999 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
  • 110,000 MILES
Engine cranks but the security light starts blinking and I think the computer stops the engine ( ignition or fuel cut off).

This is an intermittant and it stop totally for the past two months but reappeared today
Wednesday, August 12th, 2009 AT 2:44 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
It is the security system. You could try using a different key to see if that helps. If it doesn't, you need to take it to a dealer. They are the only ones that I know of that have the proper test equipment.
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Wednesday, August 12th, 2009 AT 5:44 PM

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