Need help.. 00 Excursion V10 shutting off
Fleet Mechanic
Joined: Sep 2002
Posts: 1,388
Likes: 2
From: Greensboro, NC
Not aware of any fuel pressure changes between shifts. Easy enough to check - hook a fuel pressure gauge up and see what you are getting at idle and then between shifts. Typically you will start getting system lean codes if the symptom is this bad. Those will be P0173 and P0174 - one code for each bank. It's time to have it hooked to a scan tool for actual diags.
1st Gear
Joined: Jan 2024
Posts: 1
Likes: 1
The fuel pump relay is causing the random shutdowns. It’s located on the rear of the fuse box under the steering wheel. You’ll need a new fuse box or know someone to service it. It’s soldered on so you can’t just pull and replace. This will fix the issue. No codes will show on the scanner. It’s not the fuel pump, fuel regulator or ECM.
If you put a new relay in you will have no more issues with the stalling.
If you put a new relay in you will have no more issues with the stalling.
Fleet Mechanic
Joined: Feb 2011
Posts: 1,812
Likes: 88
From: Thousand Oaks, CA
It was moved to under the fuse panel in 2002.
For a 2002 and later, if the relay is bad you don't need to replace the fuse box, there are several ways to wire a bypass circuit with a new relay, just search this form.
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funkyp excursion
Excursion - King of SUVs
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Sep 4, 2010 07:07 PM
