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Ford
F-150
Exhaust
Black Smoke
1988 Ford F150 rich fuel and black smoke
1988 FORD F-150
97,000 MILES • 6 CYL • 4WD • MANUAL
VA_HUNTER1
MEMBER
1 POST
FOLLOW
what could cause this. i have changed most of the sensors, checked the timing also
Jun 3, 2010 at 11:54 AM
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JACOBANDNICKOLAS
CERTIFIED EXPERT
110,175 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
Jun 3, 2010 at 12:54 PM