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2.9 Starts/Idles/Revs fine. Bogs under load


LeBronCo

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Jan 10, 2021
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Location
North County San Diego
Vehicle Year
1987 and 1986
Vehicle
Ford Bronco II
Suspension Style
4wd
My credo
Life is more fun if you own a Ford Bronco II
I've replaced just about every sensor, egr, O2, new heads, distrib, etc. with one exception; the fuel pressure regulator. It's a mystery. Motor starts right up, it idles nicely, revs nicely. Put it in gear and I have to rev past 2500 rpms so it won't die. I'm ready to rip the motor out and replace it. What are symptoms of a faulty fuel pressure regulator?
 


Uncle Gump

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Ottawa IL
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1986
Vehicle
Bronco II
Suspension Style
4wd
What's the fuel pressure?

Are you still using the two pump system?
 

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