2000 5.0 lazey an hard to start

[bigblockford]

I have a 2000 Ford Explorer which is lazy and very hard to start once warmed up, so I just finished doing a fuel pressure test and this is my results... first turn of the key 10 pounds then back to 0 second turn of the key 20 pounds then back to 0 third turn of the key 30 pounds then slowly back to zero .then I start it up and it runs exactly at 32 psi does this seem like the fuel pump might be the culprit?

 

[SoHK_alumni]

I'd 1st suspect the fuel pressure regulator since your pressures are too low and it bleeds pressure.

But, a complete fuel pump assembly will include the pump, FPR and check valve, any of which could account for one or more of the symptoms.

 

[koda2000]

I have a 2000 Ford Explorer which is lazy and very hard to start once warmed up, so I just finished doing a fuel pressure test and this is my results... first turn of the key 10 pounds then back to 0 second turn of the key 20 pounds then back to 0 third turn of the key 30 pounds then slowly back to zero .then I start it up and it runs exactly at 32 psi does this seem like the fuel pump might be the culprit?

replace the fuel pump assembly. that way you'll get a new pump and a new regulator. your fuel pressure is very low. it should be around 65 PSI on a 2000 model. I assume you've tried replacing the fuel filter already?

 

[bigblockford]

Yea I replaced the fuel filter last week .... I have a compleate fuel sending unit from a 2010 ford ranger I wonder if the pump an regulater would be the same as or work in my sending unit?

 

[koda2000]

Yea I replaced the fuel filter last week .... I have a compleate fuel sending unit from a 2010 ford ranger I wonder if the pump an regulater would be the same as or work in my sending unit?

I would doubt it, but check the part numbers on somewhere like RockAuto to see if they're the same.

 

[my98nnj]

If fuel was the issue you'd be getting lean codes. I suspect clogged cats.
Although you might have something fuel related going on.

 

[bigblockford]

Ok so being that I have a perfect ly good unit from a 2010 ranger if I can use the pump in my sending unit with some modifications, will it provide me with enough fuel pressure ? In other words I'm trying to find out if the Pumps supply the same pressures and are then regulated by the fpr?

 

[bigblockford]

problem solved

Just finished cutting access door & installing the 2010 ranger fuel pump in my 2000 5.0 eddie b an is working excellent running steady at 60 p.s.i ....done it all from inside the truck in a noreaster in just over an hour,what a difference in power now all tell ya, The access door is forsure the way to go, id sure hate to have been laying on my back under that truck on a day like today .Thanks for all the great info guys yas saved me a whole pile of work & money & HEARTACHE.: