emission

2008 CHEVROLET 1500
111,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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CHARLES 123
  • MEMBER
  • 4 POSTS
check engine light stays on evap. replaced purge sol, also TPS. tried to reset will not turn off.
Jul 21, 2017 at 11:57 AM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
make sure gas cap is tight first It should click three times after each fill up. what code is it as there are four different ones? check for vacuum lines off or broken as well.
Jul 21, 2017 at 12:01 PM
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CHARLES 123
  • MEMBER
  • 4 POSTS
Code p0449.
Jul 21, 2017 at 12:16 PM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
You either have a bad connection or short to ground which can be in the wire or ECM. See picture for instruction on how to test.
Image (Click to enlarge)
Attached Media
Jul 21, 2017 at 1:09 PM
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JESSIE473
  • MEMBER
  • 24 POSTS
where is the emc located thank you
Jul 22, 2017 at 5:23 PM
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JESSIE473
  • MEMBER
  • 24 POSTS
Imean the ecm
Jul 23, 2017 at 7:31 AM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
under the left front fender close to battery
Jul 23, 2017 at 8:05 AM