How can you tell if you are getting to much fuel or not enough fuel?

2004 MERCURY MOUNTAINEER
124,000 MILES
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KEMPS
  • MEMBER
  • 7 POSTS
Changed spark plugs and when i checked them cause enginge wouldnt turn over and they smelld like fuel?
Feb 26, 2012 at 9:26 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Running too rich

1.Excessive fuel pressure can be cause by restricted fuel return line

2.Defective Oxygen Sensors.

3.Leaking injectors and fuel pressure regulator.

4.Coolant temperature sensor out of calibration.

5.Restricted air intake system.


Feb 26, 2012 at 9:28 PM
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