Mechanics

WHAT CAUSES AN ENGINE TO RUN RICH

1995 Ferrari 456 • 80,000 miles

What causes an engine to "run rich"
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MKnightMD
July 24, 2012.



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

ASEMaster6371
Jul 24, 2012.