Ford F-150 - 1997-2003 :: 1999 Triton Turns Over But Won't Start
Nov 13, 2012
1999 F-150 XLT 5.4L Triton 4x4 super cab with a 4" body lift. I bought it used. It has 225,000 miles with engine and transmission rebuilt. This truck doesn't get driven every day - sometimes sits for a week or so at a time...
Issue: A couple weeks ago, it took 4 or 5 attempts to get it to start. Once it started it ran fine and re-started fine. Then my wife drove it but parked it back at home with the gas practically empty. Then it sat for at least a week or so before attempting to start it again. Now it just turns over and won't fire. I suspect fuel pump relay, fuel filter, or fuel pump (hoping its not the latter)
What I have done so far:
1. I put more gas in it in case it really was skimming the bottom of the tank.
2. I tried cycling the key several times thinking that maybe the fuel line just needed to prime.
3. I don't hear the fuel pump "whine" for two seconds when I turn the key to just before start.
4. I checked the fuel pump relay fuse (#10) - not blown
5. I have swapped thet fuel pump relay (#301) with another relay
6. I put 12 volts across the just the relay and I can hear it picking up and dropping out (when not inserted into slot 301)
7. I put my hand on the relay and had someone else turn the key and I can feel it picking up and dropping out (when installed into slot 301)
8. I went and checked out a fuel pressure tester from auto zone and connected it to the schrader valve and got 0 psi while turning the engine over.
All this points me to the fuel pump, but I am not looking forward to dropping the gas tank. With 0 psi, I doubt the filter is just clogged. I would still get some kind of pressure at the fuel rail, right?
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wanted to get some more info on the subject of a supercharger for my 02 f150. I have the xlt 4X4 with a 4.6L Triton and have heard many things, I've heard that you can use a supercharger from a mustang 4.6, the supercharger off of a 5.4l lightning engine, or many other solutions. Which is best? I know that they will all involve some modification but I wanna explore my options and get some knowlege.
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I drained the oil out of the truck and the oil actually came out nice and black. Is the headgasket the only area that would cause the oil/coolant mixture? Supposedly the truck has never been overheated.
At any rate, on to find articles on how to pull apart a 4.6L Triton head. I'll see if I'm up to this challenge.
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2001 F-150 5.4 extended cab
You have probably seen this before. Engine cranks but will not start. Backed into driveway, loaded recyclables, truck would not start. Fuel pump relay clicks, a small amount of gas comes out of the schrader valve on the fuel rail when I press the stem with a phillips head sd. When the engine is cranking the check engine light is on so I assume the computer is working but there are no RPMs showing on the tach. At this point I'm thinking a bad crank position sensor. Would that sucker go all at once like that? I believe they hid that behind the ac compressor. Am I looking at removing the belt and compressor to get at the sensor?
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2001 f150 4x4 5.4 205k ... This truck is not my daily driver but I use it about once or twice a week. Last night I drove it to the store and it ran great. As good as ever.
This morning it won't start. It cranks and the battery is strong but no bang. It was cold. Just below freezing for the first time this year. No blown fuses where would you start?
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1998 F150 with 4.6L Windsor SOHC. I just completely rebuilt the engine including pistons, rings, timing chains (timing is good; compression @ 180 psi), 2 new coils, wires, plugs etc. and there's no fire at the plugs when I crank it. It turns over good but doesn't start. The fuel pump comes on and there's fuel up to the injectors. Before I disassembled the engine, it still ran good except for one piston. The 2 new coils, wires, plugs were replace before I rebuilt it. I was very thorough when re-installing the electrical etc... and triple checked it all after the engine not firing. Fuses are good. I know it's hard to trouble shoot without seeing the truck? The battery has been disconnected for months as I started a long time ago. Computer maybe?
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Fear is motor is locked, but question (i don't know automatics) is there any way that a bad trans could keep a motor from turning over? Truck rolls in neutral or drive, pulled the drain plug no water just oil. Tempted to just buy a running 5.4 with trans but if I can avoid that I'd prefer to.
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I have a 99 F150 5.4 V8 4x4, My problem is when I engage 4Hi the dash light "low range" turns on but NOT the 4x4 light. Now if I go to 4Low the 4x4 light turns on(Low Range light stays on). So in essence the lights are backwards. In 4Hi it is not engaging 4 wheel drive. Also its a SOTF not electronic selector.
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Was testing ohms for my injectors and at the plug on top of the driver side valve cover, couldn't get a reading at all, tested the ohms at the pass. Side valve cover plug and got good ohm readings.
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Need to know if the 5.4 and 6.8 use the same bell housing pattern?
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My 01 F150 5.4 with 208K miles is having a starting issue. Did it again today, turns over, but won't fire. Problem has occurred a couple times in the past, but started after just a couple time of trying. Today however it took many times of turning it over I would say 5 or 6 times before it started. Seems like it's turning over kind of fast as well (faster than normal). Runs fine after it starts.
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1999 F150. The truck is a 4X4 supercab, with the 4.6 motor, 141,000 mi. During cold weather it runs great, but as soon as the temp gets into the upper 70's or higher I have a recurring problem. The truck starts right up and runs well, but when it is shut off it will not restart until it has sat for over an hour. It has also stalled at speed on the freeway when the outside temp was in the upper 90's to low 100's.
So far it has always restarted after sitting for awhile. I took it to the dealer and they kept it for 3 days, but could not duplicate the problem and found no codes in the computer. I replaced both coils, but it is still not starting after shut down when hot. My next thought is to change the PCM, but that is a big chunk of change to be guessing about.
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I have a '99 F-150 with 4.6L V-8. The truck has run perfectly since I bought it a year ago. My grandson took it a short distance to a neighborhood store, and when he got back he parked on the neighbor's lawn.
IMMEDIATELY after turning it off, I told him to move it, and it would not start. Wouldn't even turn over. I did a little research, and replaced the most likely culprit, the starter....no change in condition. When keyed to start, the dash lights up, but that's it! I did get under the truck and there IS voltage getting to the large power lead.
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All of a sudden wouldn't start Saturday morning. Turns over fast. No fire. Waited a while and tried again and it started and ran fine. It did it again Saturday afternoon, so I changed the fuel filter. Gas from filter was very dirty. Still did it after filter change, so I replaced the fuel pump relay. Still did it twice on Sunday. Once it starts, it runs perfectly. Drove it 200 miles without a problem until I killed it. Then it wouldn't start.
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After short trip, 02 f-150 v-6 will not crank every time but engine turns over. When it does crank, it runs fine the entire trip. 189,000 miles on motor and is a 4x2 extended cab.
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My niece has a 1999 F150 with a 4.6L engine. She was driving it down the road and it died and would not start. She called her husband, he went where she was, and when he got there, it started. She drove it home, and the next day, same thing. Died going down the road, no start, let it sit overnight, cranked like a new truck. Now it has died and will not start at all. They replaced the fuel pump. Nothing. When you turn on the key, the fuel pump runs continuously. If you pour fuel in the air filter, it will start. They checked all the fuses, nothing blown. When they try to hook it up to an OBD scanner, it does not work. No codes, nothing, it won;t pick it up.
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I am having problems with my truck not sure where to start. It was my everyday truck until one day I got ready to leave for work and the truck wouldn't say anything. It was getting power but no crank no start. Called tow truck he checked battery said that it was good. I got home tried to start truck and it started. I drove to the store and it did the same thing no crank no start. It has 110,000 Sigle cab manual windows...
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