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

Tiny
KEMPS
  • MEMBER
  • 2004 MERCURY MOUNTAINEER
  • 124,000 MILES
Changed spark plugs and when I checked them cause enginge wouldnt turn over and they smelld like fuel?
Sunday, February 26th, 2012 AT 9:26 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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.
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Sunday, February 26th, 2012 AT 9:28 PM

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