No Fuel at the Fuel Rail

1999 Tacoma, 2.7L engine. I bought the truck as a project this weekend after looking at it for years sitting in a neighbors yard. They finally let it go at a good price. It's in good shape but has been sitting for about 10 years. I"m going through it and checking everything. I get to the point where I want to crank it. The engine turns, it wants to crank, but isn't. I pop the fuel regulator off the fuel rail and it looks dry. There was no decompression or fuel that leaked out. Leads me to believe I have a fuel pressure issue.

I've checked all fuses and they are good. Is there a way to test the fuel pump w/o dropping the tank? Trying to think through ways to check the circuit to the fuel pump as well. I have mutli-meters. I'm assuming, if I can pull the plug from the fuel pump, turn the truck to the on position, and put the multi meter to the fuel pump plug, I should get voltage. If I do, it's likely my fuel pump is dead and I'll have to drop the tank. I appreciate the input.

 

Usually easier to pull the bed than drop the tank.

I’d check to make sure the fermi relay is working as intended as well

 

The attached relay location diagram is awesome. Thank you. The only bad part is that I could not locate a fermi relay on it. I looked through it a couple times. Is it the "open circuit relay" behind the bashboard? I believe there is a green one behind the panel at the base of the dashboard near the steering column.

Also, the 30a fuse that's located behind the door on the lower left of the driver side dash. Is that for power windows? It has "power" on the cover. The fuse is not there, but I don't have power windows.

 

Oops autocorrect is killing me…I was thinking about the EFI relay

 

Yeah that 30a fuse is for power windows


Here is a fuel pump inspection procedure for the v6… should be close

 

Too easy. I pulled the relay and tested it. It's closing the circiut and continuity is good on the s witched circuit. Took about 5 amps to get the switch to close. I tested the relay socket in the engine bay fuse panel. On the Normally Closed circuit i'm gettting 12v and the switched circuit i'm getting 11v.

If I get a controlled power source into the circuit the switched portion of the relay would power, should I hear the fuel pump pressurize? I have the fuel line previous to the filter (near the fuse box in the engine bay) disconnected. Assuming if I power the pump and it works, I would get some fuel out of the line?

With the tank, I already soaked everything in wd40 and got the bash cover off. Got two bolts, a electrical clip, and 3 lines left. I'm able to get the tank out reasonably with a motorcycle jack stand. Worked really well with the bash cover.

 

Just saw this, will walk through it shortly. Thank you.

 

Pulling this tank is not fun. The power connector will not come loose and the filler hose does nothing but hang up on everything. Good lord. Any secrets to making this not be a horrible process?

I do see comments about pulling the bed off. I'm assuming it's only 4 bolts and some electrical connections to the rear lights and plate lights? Anyone know for certian? Might be smarted to go that route based on all the reading.

 

Disconnect 4 bed bolts and life the front end up as needed for access. Easiest way.

 

Gotcha, will do. Thank you. Will take it slow.

 

Alright, so, decided to take the bed off. The bed bolts are the hardest bolts i've ever had to remove. Good lord. 5 of them are out, after an hour of quarter turns at a time. One bolt, whatever it was threaded into, broke free and is just spinning. Thinking through how to cut if off or solve it some other way. So close.

 

Close out on this one, I finally got the bed off the truck. The one bolts that got stuck, I had enough room to get a gatersaw in between the bed and bed mount, that chewed through it in less then a minute. Replaced the entire fuel pump, sending unit, and wiring with a new assembly. Got everything hooked back up and it runs. Looks like changing engine fluids is next. Hope to have it plated soon.

 

Sounds like your hard work is paying off. Congrats!