00 mountaineer 5.0 fuel pump?? | Ford Explorer - Ford Ranger Forums - Serious Explorations
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00 mountaineer 5.0 fuel pump??

cashmoney37

Well-Known Member
Joined
July 14, 2008
Messages
152
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0
City, State
South Bend, IN
Year, Model & Trim Level
2000 mountaineer
Can a weak fuel pump cause detonation? higher rpms and 3/4's to full throttle I get a real loud detonation sound. Its a 00 mountaineer 5.0.

Does walbro make any upgraded fuel pumps for our trucks?
 






Mankorn427

Active Member
Joined
October 5, 2009
Messages
65
Reaction score
0
City, State
Burnsville, NC
Year, Model & Trim Level
1999 Ford Explorer V8 AWD
I had issues with a weak fuel pump and detonation at WOT. I replaced and was fine for about 6months and the new one failed. I pulled the fuel filter and there was a fine black dirt that came out. My guess I was getting dirty gas from somewhere and burned up both pumps. I cleaned the tank out along with new filter and new pump and haven't had a problem yet.
 






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