1999 Chevy Monte Carlo computer ecm brain

1999 CHEVROLET MONTE CARLO
170,000 MILES • 6 CYL • FWD • AUTOMATIC
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KELINO
  • MEMBER
  • 1 POST
I need to locate the cars emc computer and cant find it. Can you please help me locate it. My computer went out and needs replacement. Can you tell me how to take it out?
Oct 21, 2008 at 3:48 AM
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BRIAN 1
  • ✓Experienced Mechanic
  • 1,030 POSTS
it's under the air box,unbolt the air box the pcm will be inside.after removing the air box the pcm will just lift out,it will have 2 connectors on it,there 9/32 bolts,just unscrew them.(dont forget to disconnect the battery first)
Oct 21, 2008 at 1:31 PM
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