Fuel pump
#1
Fuel pump?
Ok, I THINK its the fuel pump, i was gonna replace the filter first just for ****s since its cheap, but.
When i start it up, some times it fires right up but most of the time i have to crank for a few seconds, stop, then crank again and it fires right up..
or some mornings (been happening a lot lately) and tonight too. When i start it, it sputters a little and doesn't want to really run, then after a few seconds it comes around to idle right. THEN i go to drive and the FIRST start off it chokes and doesn't want to run, then it catches up and runs just fine.
My buddy suggested fuel pump, which almost makes sense. I'm gonna test the fuel pressure when I get around to it, but it seems to run fine after the initial start up
I just want some insight of what may have happened to someone else before I spend w/e the discounted price of one is.
99 4.0
Mmmkkk, i had searched like 5 pages when i made this, then started finding good stuff around page 6. It looks like this is my issue, I'll throw a pressure gauge on it Monday at work to confirm.
When i start it up, some times it fires right up but most of the time i have to crank for a few seconds, stop, then crank again and it fires right up..
or some mornings (been happening a lot lately) and tonight too. When i start it, it sputters a little and doesn't want to really run, then after a few seconds it comes around to idle right. THEN i go to drive and the FIRST start off it chokes and doesn't want to run, then it catches up and runs just fine.
My buddy suggested fuel pump, which almost makes sense. I'm gonna test the fuel pressure when I get around to it, but it seems to run fine after the initial start up
I just want some insight of what may have happened to someone else before I spend w/e the discounted price of one is.
99 4.0
Mmmkkk, i had searched like 5 pages when i made this, then started finding good stuff around page 6. It looks like this is my issue, I'll throw a pressure gauge on it Monday at work to confirm.
Last edited by 99ranger4x4; 12-27-2008 at 11:44 PM.
#3
#5
#10
Was browsing and came across your thread. Don't know if you've solved your problem yet.
Had a similar problem and it ended up being the fuel pump relay - a lot easier to replace than a fuel pump. Also a common problem on earlier Explorers.
I know it is a problem in the 4.0 liter SOHC engines - don't know about the earlier 4.0s, which I believe yours is.
Maybe worth looking at.
Keep us posted on how it turns out.
Had a similar problem and it ended up being the fuel pump relay - a lot easier to replace than a fuel pump. Also a common problem on earlier Explorers.
I know it is a problem in the 4.0 liter SOHC engines - don't know about the earlier 4.0s, which I believe yours is.
Maybe worth looking at.
Keep us posted on how it turns out.
#11
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