what causes an engine to run rich

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MKNIGHTMD
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  • 1 POST
what causes an engine to "run rich"
Jul 24, 2012 at 9:46 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
lots of things. could have an engine miss, bad plugs, bad mass air flow, bad o2 sensors, bad injectors, clogged filter. any one of these and more could be the reason.

Roy
Jul 24, 2012 at 9:52 AM
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