1988 Ford F-150 rich fuel and black smoke

Tiny
VA_HUNTER1
  • MEMBER
  • 1988 FORD F-150
  • 6 CYL
  • 4WD
  • MANUAL
  • 97,000 MILES
What could cause this. I have changed most of the sensors, checked the timing also
Thursday, June 3rd, 2010 AT 11:54 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Have you checked the fuel pump pressure and regulator? Also, has the check engine light been on?

Let me know.

IF you want to check fuel pressure and the regulator, here is a how to video and directions.

https://www.2carpros.com/how_to/how_to_check_fuel_pressure.htm

Let me know what you find.

Joe
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Thursday, June 3rd, 2010 AT 12:54 PM

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