2000 F-250 SD COLD START=LOW IDLE/SHUT OFF

Tiny
JOE OCHOA
  • MEMBER
  • 2000 FORD F-250
I have a problem with my F250 with the 5.4L V8, 98,000 miles. It tends to give me an issue when it is below 55 degrees outside when I try to start it. It gets good cranking and then it goes dead once started. Sometimes it shudders and goes to a couple hundred RPM, then dies. IF I keep my foot lightly on the accelerator, it will stay on. Once warm, I notice that the RPM will hold at it's normal about 700RPM. I never see this problem on a warm morning. I don't drive the truck much, maybe 100 miles a month to go coach a baseball team during practices/games. I'm thinking maybe a fuel pressure problem or injectors? I have a new fuel filter I want to install, I'm not sure how to install it with the quick coupling on each end with the funny extraction tool. Your thoughts on the problem with low idle to shutting off? Thanks for your help.
Tuesday, November 20th, 2007 AT 5:19 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
For the low idle at cold start I would like you to check the coolant temp sensor and sending unit, then clean the MAF sensor with QD electrical contact cleaner.

I do not know what kind of fitings you are talking about, if you could ifnd I picture I could tell you how to take it off, there are 3 common kinds of connectors, all require a differnt way to disconnect.
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Tuesday, November 20th, 2007 AT 9:48 PM

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