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Engine low power?

Tiny
LANSING33
  • MEMBER
  • 2 POSTS
  • 2003 FORD F-250
  • V8
  • 4WD
  • AUTOMATIC
  • 110,080 MILES
Some type of fuel problem. Truck loses power spits and sputters then returns to normal.
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Check fuel pump pressure. For directions, go to our homepage under the DIY section. Also, if the check engine light has come on, have the computer scanned to identify what trouble code is set. Most parts stores will do it for free.
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
JCR
  • MEMBER
  • 2 POSTS
  • 2003 FORD F-250
  • 236,465 MILES
Engine did not stall all at once. Gradually shuts down at first, but now wont start at all. New batteries, alt ok. Changed oil and filter.
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
PROAUTOTECH
  • MECHANIC
  • 288 POSTS
I just saw that happen with a ford box truck. Turned out to be an oil passageway that blew a plug which resulted in low oil pressure which kept the truck from running. I don't work on diesels too much but that's what I think I know about that one at least.
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
JCR
  • MEMBER
  • 2 POSTS
Thanks for your info. Jccr.
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
NORABEACH
  • MEMBER
  • 1 POST
  • 2002 FORD F-250
  • 230,000 MILES
I've had the truck to different dealers in different states all thought they fixed it but after many thousands of dollars it's still doing the same thing. Why can't the ford certified mechanics figure out what's wrong with my truck. What can I do now?
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Has anyone ever given the trouble codes they retrieved?
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
PROAUTOTECH
  • MECHANIC
  • 288 POSTS
Has anyone looked at the catalytic coverter? Often times the honeycomb breaks loose, and there is intermittent struggling while the ball of platinum/steel rattles around clogging the exhaust.
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
JUSTSAM
  • MEMBER
  • 3 POSTS
  • 2002 FORD F-250
  • 39,000 MILES
F250 '02 triton 5.4L Sudden loss of power door locks, intermittent dome lights, door ajar indicator stays on while truck is running, radio stays on. Battery was removed and replaced to repair reservoir bucket. The terminals were ck'd, tightened, fuses ck'd, plugs behind the fuse box also ck'd? What else can we ck or what may have caused this malfunction all of those things were working fine
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Have you checked the fuses / relays under the hood?
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
JUSTSAM
  • MEMBER
  • 3 POSTS
Do you know where the time delay is for the overhead lights
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Time delay?
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Sorry, I had to think for a second. That is a relay.
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
LAMONTE MOULTRAY SR.
  • MEMBER
  • 1 POST
  • 2002 FORD F-250
  • 7.3L
  • V8
  • TURBO
  • 4WD
  • AUTOMATIC
  • 180,000 MILES
Engine seams to run on one bank at a time, switching after running for a short time. Fuel pressure is good, no codes on scanner. Was driving from Kentucky to Montana and this started about half way last night. Have pulled the valve covers and wiring connectors are good, changed fuel filters.
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
JUSTSAM
  • MEMBER
  • 3 POSTS
Relay turns on and off a time delay is different from a regular relay
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,282 POSTS
Hello,

This sounds like you may have a catalytic converter that is starting to plug up. Here is a test to help you see if that is the problem.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Please run this test and get back to us so we can continue helping you.

Cheers, Ken
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
LUPEDOYLINE
  • MEMBER
  • 1 POST
  • 2002 FORD F-250
  • 7.3L
  • V8
  • TURBO
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
My truck quit accelerating about a week ago. I replaced a fuse and it started working again. It happened again but this time no fuses are blown. I have no accelerator pedal or gauges. I was told to check the shifter lever and the wiring was rubbed and shorted. I replaced it with a new one and still nothing. I do not know what to check anymore. I need help.
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
MIKE H R
  • MECHANIC
  • 3,094 POSTS
First thought that there is a wire that is broken under the dash, the reason I think that is at first it blew a fuse, that meant there was a short. Then after replacing the fuse the truck ran. Then it happened again, what I think is that there is a wire hat had shorting out and then finally broke under the dash. Start at the fuse box and work your way to the ignition switch checking all the wiring.
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
ETHEL
  • MEMBER
  • 1 POST
  • 2002 FORD F-250
  • V10
  • 4WD
  • AUTOMATIC
  • 211,000 MILES
I have a 2002 Ford F-250 Gasoline. While driving it loses power. Can be driving 60 mph then gradually loses mph down to 30 or less; try to give it gas and it will not go.
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Possibilities here could be the throttle position, mass airflow, cam and crank sensors to include the vehicle speed sensor-also check fuel pressure if its within specs
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Wednesday, July 29th, 2020 AT 12:47 PM (Merged)

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