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  #1  
Old 09-02-2005
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truck stalling out

this after noon i was driving around town. When i came to a stop sign my 99 ranger xlt stalled out. I check all of the fluids and everything was ok. The check engine light didnt come on when this happen. I started it up and everything was fine. About 15 miles later the same thing happen while i was driving down the road, the engine stalled out. I waited about 10min to restart the car. I had good oil pressure. and the temp was good also, so i was going to drive it home and it would only go about 20mph. I pulled off onto a lot and waited for my G/F to pick me up when she arrived i tried to start the car again but could not. So now i am asking for your ideas on what could be wrong. I am thinking fuel pump or water in the gas.
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Old 09-02-2005
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hey, welcome to the site....


To help us figure out your problem, please make a sig with your trucks info.


But anywayz, it maybe your idle air controller
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  #3  
Old 09-02-2005
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yeah, signatures help a ton,
and what he said^^^
try the idle air controller
and
welcome to the site!!
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  #4  
Old 09-02-2005
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IAC would have nothing to do with it not wanting to run..

What exactly is the problem.. missing?

has the fuel filter ever been changed?
how many miles on the truck.

It basically can be 3 things..

Fuel
Air
Spark..

Figure out which one is not right and fix it :)
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Old 09-03-2005
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sounds like the fuel pump could be the problem
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  #6  
Old 09-03-2005
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well i just checked the fuel pump and every thing was ok. well i removed on side of the fuel filter and tried to crank it. Then gas sprayed out, so i guess that the filter and pump is ok. Next i checked the fuel rail. There is a small valve that you can depress to release fuel or air, and gas came out of it. When i first stared the truck this morning before i took the filter off, the truck started it ran for a bout a min. then it stalled out. then i cranked it again and it would run for about 10 sec. bogging up and down. It would do this sporadically. Now the engine turns over but i am guessing that its not getting any spark to the cylinders. I thought that this could also be bad gas or condensation in the gas tank. I had put E85 in the tank about a week or so a go, but i have used 87 oct. since then.
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Old 09-03-2005
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air filter checked ok also
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Old 09-03-2005
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As mentioned above, it is important to pick air, fuel or spark as the problem before continuing. This will really narrow down the possibilities.

Here are some comments if you decide it is a fuel problem:

Just because some fuel comes out under pressure, it doesn't mean that the pressure or volume are adequate. You would need a special fuel pressure gauge (attached to the Schrader valve on the fuel rail) to know if the pressure is within spec.

You should use E85 only if your truck is a Flexible Fuel Vehicle - there should be a label inside the filler door if it is. E85 requires special fuel system materials and it runs at a different air/fuel ratio compared to pure gasoline. If your particular 3.0 is an FFV, there is a special sensor in the tank to tell the PCM the alcohol to gasoline ratio. This sensor occasionally goes bad and sends the mixture into never-never land.

Shot in the dark - look under the truck for a large electrical connector directly below the driver's seat area. It is held together by a bolt and is sealed but, because of its vulnerable location, sometimes gets water and corrosion inside anyway. All of the fuel pump wiring goes through there. This particular connector is a weak link in the electrical system on 2003-back Rangers and it is best to fill the connector recesses with dilectric grease (from the dealer or auto parts store) to keep water away from the pin connections. This is a good preventative measure on any Ranger before 2004, even if it doesn't have problems.
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Old 09-03-2005
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Check to see if the fuel shut off relay got triggered somehow. It is behind the passenger side front carpet closest to the firewall. If it is down, get a screw driver and lift it back up. It happened to me in the middle of the road shutting off my fuel pump. I had no idea what happened. Towed it to Ford and it was something as simple as that.
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Old 09-03-2005
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Quote:
Originally Posted by rwenzing
You should use E85 only if your truck is a Flexible Fuel Vehicle - there should be a label inside the filler door if it is.
Not always. My mom's truck is an FFV and it doesn't have a label inside the filler door. She has had it since it was new.
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Old 09-03-2005
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Quote:
Originally Posted by pacodiablo
Not always. My mom's truck is an FFV and it doesn't have a label inside the filler door. She has had it since it was new.
Rangers are supposed to have a label in the door. As an alternative, check the VIN - A Ranger FFV has a "V" for the the eight character.
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Old 09-03-2005
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i dont think it would be the f pump. because i can hear it come on when i try to start it. also when i had the filter off the gas was flowing out like it should. I dont know what the pressure was though. I am thinking it could be the coil pack. how do i go about testing this?
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  #13  
Old 09-03-2005
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Quote:
Originally Posted by rwenzing
Rangers are supposed to have a label in the door. As an alternative, check the VIN - A Ranger FFV has a "V" for the the eight character.
You were right...it does have the sticker...I just never noticed it for 3 years, lol. It says something like "Ethanol Or Unleaded Gas Only."
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  #14  
Old 09-03-2005
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You still dont know if its getting 60psi.. 30seconds after its started.. maybe the filter is full of crap....? they are susposed to be changed every 30000.

Again you have to narrow it down to one specific thing .. air/spark/fuel.
Maybe have a shop hook up to the computer while its running that should give you
air/fuel ratio etc.. in real time.

It could be something as simple as the maf going bad.. but there is too much
stuff to just guess.
Taking a wild leap.. if it runs.. then stops id have to say 80% chance its fuel related.

if it misses like crazy... or doesnt start at all.. electrical/spark..

Rand
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  #15  
Old 09-04-2005
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you are right, i dont think its get fuel. this morning i pull the f filter off and tried to see if fuel would come out. it didnt. so i kicked the heck of the gas tank, thinking that something was stuck in the pump. then i could hear the fuel pump start up and fuel was comeing out of the line. then about 5 min later i couldnt get any thing out of the line and i could not hear the pump come on. So now i think i have it down to the pump or the lines or harness running to the pump.

has any one had any problems with the fuel pump relay?
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  #16  
Old 09-04-2005
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Quote:
Originally Posted by striker01
you are right, i dont think its get fuel. this morning i pull the f filter off and tried to see if fuel would come out. it didnt. so i kicked the heck of the gas tank, thinking that something was stuck in the pump. then i could hear the fuel pump start up and fuel was comeing out of the line. then about 5 min later i couldnt get any thing out of the line and i could not hear the pump come on. So now i think i have it down to the pump or the lines or harness running to the pump.

has any one had any problems with the fuel pump relay?
At 100K, it could be many things. Maybe the pump unit is bad but I like to check the easy stuff first - did you try this idea yet?
Quote:
Originally Posted by rwenzing
look under the truck for a large electrical connector directly below the driver's seat area. It is held together by a bolt and is sealed but, because of its vulnerable location, sometimes gets water and corrosion inside anyway. All of the fuel pump wiring goes through there. This particular connector is a weak link in the electrical system on 2003-back Rangers and it is best to fill the connector recesses with dilectric grease (from the dealer or auto parts store) to keep water away from the pin connections. This is a good preventative measure on any Ranger before 2004, even if it doesn't have problems.
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  #17  
Old 09-05-2005
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i have the fuel pump out of the tank. I bought a fuel pump from NAPA. the harness conectors are not the same. I didnt want to splice into the old harness. Did the guy at Napa sell me the wrong pump? Do all aftermarket pumps require the harness to be spliced? I dont like the idea of have wires splice inside of a fuel tank.
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  #18  
Old 09-05-2005
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Quote:
Originally Posted by striker01
i have the fuel pump out of the tank. I bought a fuel pump from NAPA. the harness conectors are not the same. I didnt want to splice into the old harness. Did the guy at Napa sell me the wrong pump? Do all aftermarket pumps require the harness to be spliced? I dont like the idea of have wires splice inside of a fuel tank.
Don't splice it. Take it back.
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  #19  
Old 09-05-2005
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Quote:
Originally Posted by striker01
i have the fuel pump out of the tank. I bought a fuel pump from NAPA. the harness conectors are not the same. I didnt want to splice into the old harness. Did the guy at Napa sell me the wrong pump? Do all aftermarket pumps require the harness to be spliced? I dont like the idea of have wires splice inside of a fuel tank.
ya you got the wrong pump thats for sure
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