1997 Cadillac Concours pcm codes

1997 CADILLAC DEVILLE CONCOURS
4.6L • V8 • FWD • AUTOMATIC
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KELLYZ
  • MEMBER
  • 4 POSTS
Po349 ignition control (ic) mkdule cam referance circut no freguency. What do i check?
Apr 19, 2015 at 6:44 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
disconnect ignition module where cam sensor hooks up to check resistance to cam sensor at C2 position should be 800-1200 ohms. if less than 800 replace sensor. other than that have a pro look at it because there is a short someplace.
Apr 19, 2015 at 8:55 AM
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