1990 ford f250 diesel none turbo?

E

Eric F

New member
my fuel injectors are leaking where the by-pass hose is. can i replace the o-rings so do i hav to get new fuel injectors
i changed the fuel hoses n the fuel injectors r still working like new it only as 95,000 miles on it
i changed the fuel hoses but still leaks n the fuel injectors r still working like new it only as 95,000 miles on it
 
Yes, the "O" rings on the 7.3L injectors are replaceable. The rubber lines between the injector caps should also be replaced. Remove the rubber hoses & pull off the plastic caps. Be careful not to break the hose barbs from the caps. Place a little engine oil on the new "O" rings. Slide the injector cap down up you feel it seat.

Might want to check the condition of the glow plugs. Remove the wire end from the glow plug. Attach a test light to the positive terminal on the battery. Probe the end of the glow plug. If the light illuminates, then the glow plug is OK.

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If you have a bunch of miles on the engine, I would spend the extra money and replace the injectors. After all they have been delivering fuel for almost 20 years I would think now would be a good time to replace the injectors. you may also improve your mileage and fine renewed power that you didn't have be for.
 
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