fuel injector life
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Senior User
Joined: Feb 2003
Posts: 162
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From: Cleveland
fuel injector life
How long do fuel injectors last?
I'm the original owner of my 95 f150 with 4.9, and have 166k miles on the truck. When it was new, I could get 500+ miles before fuel fill ups. Now I'm at 350-400. I do regular tune-ups with plugs, cap and rotor, wires, air filter, etc. It holds a good steady vacuum of 20 in.
I'm thinking maybe the injectors are leaking?
I'm the original owner of my 95 f150 with 4.9, and have 166k miles on the truck. When it was new, I could get 500+ miles before fuel fill ups. Now I'm at 350-400. I do regular tune-ups with plugs, cap and rotor, wires, air filter, etc. It holds a good steady vacuum of 20 in.
I'm thinking maybe the injectors are leaking?
Postmaster
Joined: May 2002
Posts: 3,241
Likes: 3
From: Broken Arrow, OK
Fuel injectors can last forever, they are not considered a replacement part. They do go bad from time to time. Put a fuel pressure gauge on the truck and see if it bleeds pressure rapidly. If it doesn't drop after a few minutes the injectors are fine. There's only about 1000 reasons your mileage can drop and injectors are one of the least likely. A vacuum leak in the EVAP system could greatly reduce your mileage because of evaporation.
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