Fuel pump relay
Hotshot
Joined: Jan 2004
Posts: 19,760
Likes: 1,079
From: St Louis
Fuel pump relay moved to the CJB effective with the 02 model year for ALL Super Duty vehicles as part of a very significant electrical systems redesign.
Of course, they did another asinine thing by having it soldered onto the main board so it's not a plug and play swap.
Of course, they did another asinine thing by having it soldered onto the main board so it's not a plug and play swap.
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Laughing Gas
Joined: Nov 2014
Posts: 1,108
Likes: 23
I found a video of a guy changing the fuse relay which was in a small black box up against the driver sidewall.I had picked up the fuel relay already. I opened that box and it was there. I changed it and I have no error codes. Maybe for once I got lucky
BTW-after replacing the vacuum line coming from under the frame to the vapor cannister and the fuel pump relay,
I am now getting about 1 mile per gallon more
BTW-after replacing the vacuum line coming from under the frame to the vapor cannister and the fuel pump relay,
I am now getting about 1 mile per gallon more
Hotshot
Joined: Jan 2004
Posts: 19,760
Likes: 1,079
From: St Louis
I found a video of a guy changing the fuse relay which was in a small black box up against the driver sidewall.I had picked up the fuel relay already. I opened that box and it was there. I changed it and I have no error codes. Maybe for once I got lucky
BTW-after replacing the vacuum line coming from under the frame to the vapor cannister and the fuel pump relay,
I am now getting about 1 mile per gallon more
BTW-after replacing the vacuum line coming from under the frame to the vapor cannister and the fuel pump relay,
I am now getting about 1 mile per gallon more
Methinks you asked about the wrong thing...
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