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Fuel Inertia Switch Cut Off?

Tiny
THEBLUEGOOSE
  • MEMBER
  • 2003 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 47,000 MILES
Hi, I'm having a little trouble with my Sport Trac. A few weeks ago, It didn't want to start so I did what any person with a little mechanical knowledge would do.I tried to eliminate the possibilities of where the problem could be. Turns out, I wasn't getting no fuel. I immediately thought it was my fuel pump but later remembered that I once had a Topaz that I crashed and didn't want to start later because the Inertia switch kicked on. I figured, ah, what the heck? I'll try and reset it and maybe that will solve my problems. Well, as soon as I did, she fired right up like nothing ever happened. Well today, I get in my truck and start reversing down my driveway, the truck shuts off again and doesn't want to start.I reset the inertia switch yet again, wondering if it would work for me a second time. And it did. My question is whats Happening that my fuel Inertia switch keeps tripping? Do I have a faulty fuel Pump? Or is it just the switch that needs replacing? Or am I waaay Off and it is something entirely different? Any Help would be Greatly appreciated. Thanks for your time.
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Thursday, June 3rd, 2010 AT 1:22 PM

27 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Most likely culprit would be the inertia switch itself simply needs replaced here is the location is the diagrams below. Check out the diagrams (Below). Please let us know what happens.
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Saturday, November 17th, 2018 AT 9:00 AM
Tiny
DON BRAND
  • MEMBER
  • 1 POST
In most cases, it is not the switch, it is the connector. It is overheated to the point of losing contact. If the damage it too severe, the switch contacts may also be damaged. I simply bypassed the whole thing to avoid future problems. Ford is about the only manufacturer who utilizes this device. Your choice, either replace the switch and connector or bypass and eliminate the problem all together.
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Saturday, November 17th, 2018 AT 9:00 AM
Tiny
WORDMAN48
  • MEMBER
  • 1 POST
  • 2002 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 113,000 MILES
The anti-theft fuel pump shutoff reset switch is malfunctioning on my 2002 Ford Explorer Sport. It periodcally shutoffs my fuel pump but the switch itself doesn't trip making it impossible to reset. Sometimes I have to wait hours before the engine will start again. Can I bypass this swich by splicing the wires together that feed the switch?
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Thursday, November 26th, 2020 AT 8:30 AM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That's not an anti theft switch. It's an Inertia switch to shut the fuel off in case of collision. If you're having a problem with it, simply replace it.
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Thursday, November 26th, 2020 AT 8:30 AM (Merged)
Tiny
PETEOADE
  • MEMBER
  • 1 POST
  • 2002 FORD EXPLORER
Engine Mechanical problem
2002 Ford Explorer 6 cyl Four Wheel Drive Automatic

I was in a small fender bender and now the truck won't start. I was told by the tow truck driver that fords have a reset button to turn the fuel back on. If this is true where do I find it?

Thanks,

Pete Oade
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Thursday, November 26th, 2020 AT 8:30 AM (Merged)
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Base of right "A" pillar, should be behind the pass side kick panel or maybe up a little higher more behind the glove box from the description my locator gave
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Thursday, November 26th, 2020 AT 8:30 AM (Merged)
Tiny
TISHA25
  • MEMBER
  • 1 POST
  • 2001 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 125,000 MILES
Cannot Find my inertia switch car will not start and its not the fuel pump or fuse.
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Thursday, November 26th, 2020 AT 8:30 AM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
The inertia fuel shut-off switch is behind the right front kick panel
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Thursday, November 26th, 2020 AT 8:30 AM (Merged)
Tiny
PLUCKY458
  • MEMBER
  • 1 POST
  • 1999 FORD EXPLORER
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 140,000 MILES
We had ran out of fuel, refuled drove about 1/2 mile and truck died. Tried to restart and to no avail. Let it sit overnite now battery is dead. Is there a reset on the fuel pump and where is it located.
Is there anything else I mite have overlooked?

Joe
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Thursday, November 26th, 2020 AT 8:31 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
If it ran after you refueled, that isn't the problem. I need you to check fuel pump pressure. Also, check the fuel filter to make sure it isn't plugged.

I have seen many situations where the pump goes bad when this happens. That is why I want you to check pressure and the filter.

Here is a how to for checking:

https://www.2carpros.com/how_to/how_to_check_fuel_pressure.htm

Let me know what you find. Also, if you have good fuel pressure, check for spark to the plugs.

Let me know what you find.

Joe
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Thursday, November 26th, 2020 AT 8:31 AM (Merged)
Tiny
MSCARLSON
  • MEMBER
  • 1 POST
  • 1998 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
Im trying to find the fuel shutoff switch where is it located? I've been in a accident and trying to get it started
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Thursday, November 26th, 2020 AT 8:31 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Is behind right front kick panel
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Thursday, November 26th, 2020 AT 8:31 AM (Merged)
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Behind the right front kick panel.
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Thursday, November 26th, 2020 AT 8:31 AM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS


https://www.2carpros.com/forum/automotive_pictures/170934_bump_switch_1.jpg

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Thursday, November 26th, 2020 AT 8:31 AM (Merged)
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Jdl123, Nice pic.
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Thursday, November 26th, 2020 AT 8:31 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Yes indeed -I forsee a future 2carpros certified technician keep up the good work
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Thursday, November 26th, 2020 AT 8:31 AM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Thanks everybody, it seems like every 20 posts I answer, maybe I help one person. Not very good odds, maybe it'll get better.
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Thursday, November 26th, 2020 AT 8:31 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
You learn as you go, you keep going-your doing fine-holler to the big boys if you need help. The idea here is to help people.
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Thursday, November 26th, 2020 AT 8:31 AM (Merged)
Tiny
MATA36
  • MEMBER
  • 17 POSTS
  • 1998 FORD EXPLORER
Where can I fine the inertia switch. Detials plese?
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Thursday, November 26th, 2020 AT 8:32 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Its located in the right front kick panel
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Thursday, November 26th, 2020 AT 8:32 AM (Merged)

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