fuel pressure guage/ MAP sensor
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New User
Joined: Nov 2006
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fuel pressure guage/ MAP sensor
i have a 2001 f350 and have a couple of question. what size fitting is on the back of the filter bowl so i can install a pressure quage? and can a MAP sensor go bad without throwing codes?thanks for all the help
Post Fiend
Joined: Jun 2004
Posts: 9,293
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From: Parker, CO
i have a 2001 f350 and have a couple of question. what size fitting is on the back of the filter bowl so i can install a pressure quage?
and can a MAP sensor go bad without throwing codes?
Lead Driver
Joined: Oct 2004
Posts: 7,413
Likes: 1
From: Columbia, MO
Pocket, it's not a 1/8" NPT. It's some sort of other fitting. I know ITP sells an adapter, but I just took the plug to the hardware store to find matching fittings. It was some sort of flare fitting IIRC. Once you have the correct fitting, just find the correct adapter to go to 1/8" NPT for the pressure sensor. The flare on the fitting will need to be ground off to prevent it from protruding into the fuel bowl. Re-use the stock o-ring for sealing.
The MAP may be reading a little out of spec, but if it goes entirely bad, I think it should throw a code.
The MAP may be reading a little out of spec, but if it goes entirely bad, I think it should throw a code.
Post Fiend
Joined: Sep 2006
Posts: 5,584
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From: Millbrook Alabama
Here is a paste from my original post and a picture of the fitting
and the answer is 7/16-20 SAE o-ring, to a 1/8NPT.
Clint you are right it is a straight thread and not a taper.
Pete, I actually got a used fuel bowl assembly from local dealership Mech so I could explain to the parts guys what I needed.
You can also get this same fitting from Dennis at ITP diesel for 5.95 plus shipping.
the one I got is a Parker fitting and it came from Alabama bolt and Supply. $3.38. Fuel pressure guage is up and running and reading 69 to 70 PSI, of course that is with a .065 shim. No leaks or drips.
Pics in gallery
and the answer is 7/16-20 SAE o-ring, to a 1/8NPT.
Clint you are right it is a straight thread and not a taper.
Pete, I actually got a used fuel bowl assembly from local dealership Mech so I could explain to the parts guys what I needed.
You can also get this same fitting from Dennis at ITP diesel for 5.95 plus shipping.
the one I got is a Parker fitting and it came from Alabama bolt and Supply. $3.38. Fuel pressure guage is up and running and reading 69 to 70 PSI, of course that is with a .065 shim. No leaks or drips.
Pics in gallery
