Lean codes

2004 CHEVROLET TAHOE
250,000 MILES • 5.3L • V8 • 2WD • AUTOMATIC
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922HONDA
  • MEMBER
  • 1 POST
I replaced intake manifold gaskets still getting lean codes.
Jun 16, 2017 at 3:09 PM
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MHPAUTOS
  • CERTIFIED EXPERT
  • 31,937 POSTS
Check fuel pressure, check O2 sensors are working with a live data reading scanner, start here.
Jun 17, 2017 at 3:16 AM