Ford 7.3L Power Stroke (1999-2003) :: Raw Fuel Smell In Cab


Apr 25, 2017

I'm checking all places to look for a fuel leak. I park on a concrete slab, with no drips.

I have already mopped up as much fluid from the valley from recently having all of the injectors replaced. I still need to clean it further with simple green, and stuff white paper towel in the valley so I can really know if there is a leak.

3 years ago I replaced the water drain valve o rings, but I suppose they could have gone bad again.

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Ford 7.3L Power Stroke (1999-2003) :: Fuel Smell On And Off / Strong Odor Of Diesel

I have been smelling fuel on and off for the last few weeks. I thought it was the fuel bowl drain valve so I ordered the kit for the whole fuel bowl from diesel o-rings. I did the rebuild this morning and I don't see any visual leaks. Still smell a strong odor of diesel though. The lower engine cradle is all wet and the valley is still a little wet too. Could I still have a leak and if so where to look? Could it be just wet still from draining the fuel bowl and needs time to go away?

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Ford 7.3L Power Stroke (1999-2003) :: Diesel Smell Coming On And Off - Fuel Bowl Leak?

I've thought I smelt diesel fuel on an off for a while, but never found the source.

Tonight, 17 degrees out I have fuel in the valley and it appears as if the back of the drain valve is wet.

A fuel bowl rebuild is on the short list. Is this typical, the cold weather brings the issue to light?

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Ford 7.3L Power Stroke (1999-2003) :: Ran Out Of Fuel With 1/8 Tank And No Low Fuel Light?

So my 7.3 started sputtering and lost power, died on the side of the road. I wasn't far from home put about 8 gallon of diesel in the tank with a couple of fuel jugs and it fired right up.

Gauge was reading 1/8 of a tank and low fuel light did not come on. (low fuel light comes on when you start) Gauge came up to about 1/2 after putting fuel in.

What happened? Gauge was always reliable and low fuel light always did work. Only work done to fuel system was had new tank straps put on a couple of months ago.

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Ford 7.3L Power Stroke (1999-2003) :: Cranks But Won't Start - Fuel Pump Not Pumping Fuel

01 7.3. Cranks, won't start. Tank was at 1/4 but is full now. The lift pump runs, I can feel and hear that the motor is spinning when I cycle the key. I removed the fuel filter and cycled the key and get no fuel into the bowl. It looks like the lines are stainless from the pump to the tank so I doubt it is sucking air. I pressurized the tank with a shop vac and I get fuel coming into the filter housing. Am I missing something obvious? I have never seen an electric pump that would run and not pump fuel. I removed the suction line at the pump and don't feel any suction there.

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Ford 7.3L Power Stroke (1999-2003) :: Burning Smell In Cab All Day?

I smelled it this morning and when driving home and it almost smells like wires burning and its pretty strong. I looked all around the dash and can even smell it under the hood. And by the way the cruise control recal was done on it so it shouldn't be that. Hopefully my truck doesn't catch on fire over night.

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Ford 7.3L Power Stroke (1999-2003) :: Massive Oil Consumption And Exhaust Smell

I'm having an issue with massive oil consumption and no oil leaks on the ground! No clue where the oils going but I burned more than 2 gallons today in a few hours of driving exhaust smells awful but the truck is running fine.

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Ford 7.3L Power Stroke (1999-2003) :: 2002 - Diesel Fumes Smell?

2002 Excursion 4x4 7.3 PSD 90,000 miles Hydra Tuner

the past few days I started smelling diesel fumes in the cab of my truck with bent on and also at the front of the truck when installing new bumper and winch. It's not real strong in the cab but pretty stout at the bumper. I have poped the hood and made a quick visual inspection and from underneath the only evidence of any leak is some power steering fluid which is a different issue (I think)

a week or 2 ago I was cleaning the Ex and noticed 2 or 3 drops of red fluid on the concrete under the Ex I crawled under and looked up and the steering knuckle was pretty wet. Popes the hood and took a look from the top and the power steering pump was sticky and dirty but the only fluid was on the top of the cap.. I'm not real familiar with the set up on the Ex but I have heard the PS support the break booster. From visual inspection it seems as though the fluid is coming they the small (vent?) hole on the cap. What I can/need to do to stop this?

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Ford 7.3L Power Stroke (1999-2003) :: Compressor Clicking On / Off About Every 5 Seconds - Clutch Smell

On 2500 mile trip, no A/C last 400 miles and we're cooking

Compressor clicking on/off about every 5 secs, clutch smell. Seems to be turning okay.

I brought some tools, including a full socket set.

Can I pull the clutch and remove shims in the campground? Looking for a condensed version of how?

Worst case, how do I replace the clutch- of I can find a dealer with one?

Pulley and clutch fixed, but cycling on and off...adding freon?

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Ford 7.3L Power Stroke (1999-2003) :: 2001 - Burning Oil Smell Inside Cabin

We have a 2003 Explorer Sportrac and the fuel cap light came on. Then ck engine light came on. took it to a dealer to check it out. Said it has a fuel pressur issue. could be the cap or something in the fuel tank. it needs a pressure check they said. cleared codes and put new factory fuel cap on. 2 weeks later it happened again.

XLT model 108,000 miles on it and we are the original owners...

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Ford 7.3L Power Stroke (1999-2003) :: 2000 - Diesel Smell At 158k Miles?

Diesel smell in cab. 2000 F350 7.3 158K on the clock. Just noticed it 3 days ago. Been meaning to address the passenger side fuel line clamp issue. Learned about that one here. Gonna tear the stuff out to get at that one Tuesday. Replacing the clamp. Hope the fuel line is not already compromised.

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Ford 7.3L Power Stroke (1999-2003) :: 2002 - White Smoke On Start Up / Quick Smell Of Oil?

my 2002 7.3 with 370k just started to puff a small cloud of white smoke on start up. i realize this is normal during cold months but it is currently 102* in Texas. it will do it on the first start up of the day or if i start it immediately after shutting it off at full operating temps and when i do get a smell of the white cloud it has a oil smell but this only lasts while the cloud is dispersing all of that only lasts about 2-3 seconds no loss of power good boost pressure when driving no rough idle at all nothing acting any different other than the cloud and the quick smell of oil...

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Ford 7.3L Power Stroke (1999-2003) :: No Power / Zero Voltage To Fuel Pump

2003 F-350 - 7.3. With the key in the on position there is zero voltage to the fuel pump. Fuel pump fuse is good. I traced the red with black tracer wire from the pump up through the firewall and to the safety inertia switch. The switch has continuity so it's OK. Then from the safety switch I traced the green with yellow tracer wire to a fuse block plug connector. Then I checked continuity from that connector out to the #40 fuel pump fuse and it's open.

So I then i checked from the fuel pump fuse to all the back connections on the back of the fuse block and there was no continuity to any of them. So I removed the back cover off the fuse block to expose any issues. I found two board mounted relays. Now, from the fuse I get continuity to one of the relay connections. So did Ford hide the fuel pump relay and make it non replaceable? Also if this is the pump relay then what circuit energizes it? I need to make sure before I replace the fuse block.

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Ford 7.3L Power Stroke (1999-2003) :: No Power To Fuel Pump / Fuse 30?

I have a 2003 F250 and dont have power at fuel pump, or fuse #30. I put power directly to fuel pump and it worked and truck fired right up.

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Ford 7.3L Power Stroke (1999-2003) :: Low Power - Fuel Pressure?

Low power on my 2003 7.3 F350. The truck runs fine but I can tell it is low on power (seat of the pants). I figured it to be fuel related so changed fuel filter and oil with no change. When that didn't work I installed a fuel guage and this what I found. Key on no start fuel pressure 45 psi. Start truck the pressure will get up to 61psi. Under a load it will drop down to the low 30s. I have dropped the tank mixing chamber screens clean and so was the tank. Changed fuel pump and now under a load it drops to the high 30s. Does this sound like the fuel pressure regulator is leaking by and causing low pressure under a load? Truck is stock besides superchips 1705 programer.

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Ford 7.3L Power Stroke (1999-2003) :: 2002 F250 - No Power Getting To Fuel Pump

There was no power getting to the fuel pump on my 2002 Ford F250 73 diesel traced it back to the inertia switch no power in or out but I'm getting power at the fuel pump relay put the code scanner to the PCM and no communication....

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Ford 7.3L Power Stroke (1999-2003) :: 1999 - Cranks But Won't Start - Water In Fuel Light On?

My 99 F350 cranks, but won't start, and the "water in fuel" light on the dash stays on while cranking. I have never paid close attention to it in the past. Is it supposed to be on while cranking?

I drained the water from the yellow lever located on top of the engine, and tried to start it. The light went off for the first few cranks, but again the truck still will not start.

I just came from a 10 hours round trip to NC. I filled the truck up two times from gas stations on the way. Is it possible that the fuel is bad? I drove on the same fuel almost 3/4 of this tank and now at the last 1/4 I am having this issue.

A little update:

I took the top of the fuel bowl off to see what the filter looks like, and it is nasty and completely black. I could not tell if the fuel in the bowl contained any water, but it looks greenish and uniform, no the obvious separation that happens when you mix water and oil.

Could the fuel filter be the problem?

A little history about the truck. It's always hard to start if cold and not plugged in overnight. I know it's the glow plugs relay, so I just keep it plugged in all the time until I get a chance to fix it.

IDM was acting up shutting off half of my engine, but I took it off, cleaned it, plugged it back in and it has been working fine for over 2 months.

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Ford 7.3L Power Stroke (1999-2003) :: Truck Started Losing Power Then Slowly Die / Fuel Pump Bad?

I was driving my truck then all sudden truck started losing power then slowly died. I restarted it, it was a lil shacky then died again. Iunscrewed the fuel filter and looked in the housing and there was lil fuel in bowl i turned the key to on position and bowl did not fill with fuel looked as if it were shooting some bubbles up(air) could it be outta of fuel???

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Ford 7.3L Power Stroke (1999-2003) :: Loosing Power - No CEL Codes - Half Of Engine Floods With Fuel

What I know the truck was running normal except if I stomped the gas pedal and let off it would not respond again until I shut off keys and restarted this was a month ago now the truck sounds like it has a lope tune.

When I hit the gas pedal it blows white smoke and if I press the gas while idling or driving it floods out I did the spray bottle test on manifolds the drivers side was plenty hot the passenger side is cold you literally can touch while it's running.

The truck sounds like it's only running on 4 cylinders it has gotten so bad I parked the truck. Also this truck always had poor mpg 8 to be exact city hwy and towing nothing changed the mpg at all it used to blow out wet soot that would fall down on the truck and anyone standing near it.

Mods unknown pcu program 4in straight pipe with 12in stack harpoon mod in tank

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Ford 7.3L Power Stroke (1999-2003) :: White Smoke Blowing / Smells Like Fuel And Loses All Power

I am a mechanic and tow operator running a late 99 f350 7.3 6 speed cab and chassis wrecker. This truck has had a hard life and has been neglected for quite some time, and now has become my baby/headache. Truck starts great, idles nice, and will run great for about 5 minutes until it starts billowing white smoke that smells like fuel and loses all power. If you continue to drive it it will die. Sounds like it's dropping cylinders and will barely idle. If you stop for 5 minutes or so and let it idle it will smooth back out and will run great again for another minute or two, then right back to stumbling.

Using torque app, hpop pressure looks good when it's running well. Peaks at 3k, IPR maintaining 30-40% max. As soon as it stumbles you can see the hpop drop to 5-600 and the IPR will climb to 65%. Let it idea bit and they go back to normal, and stay good until it stumbles again.

Ive changed the fuel pump, ICP,rebuilt FPR, change fuel filter, pulled and cleaned the fuel tank (metal tank, no delamination, looks perfect inside). Pickup screen looked good. Cleaned the IPR, cleaned the hpop reservoir, there was no screen inside. Checked voltage at fuel pump, 11.78 across the pump with it running. Pulled valve covers, no noticeable leaks around injectors. Injectors have less than 5k miles. Remans with 100% larger tips.

To me it seems like the lpop is not keeping up with the hpop under load, starving it until you idle and let it catch up. Could it still be bad injector orings? Bad lpop? Something I'm not thinking of?

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Ford 7.3L Power Stroke (1999-2003) :: F250 Started Running Bad Mid Drive / White Smoke With Diesel Smell

Just happened today right after I bought diesel. thought it may be water in fuel but after researching wondering if it is injector, etc. It starts every time knocks real bad sometimes for a minute, but clears up to idle ok. During idle no smoke, slightest acceleration however produces white smoke harder I accelerate more it plumes and it smells like diesel in the air.

Cannot get past 15 or so mph till switching into 2nd gear then 25mph max. Had to drive 4 miles like this I can say it cleared up and drove 1/2 mile until I had to stop at a traffic light then going from idle to acceleration again ran bad rest of way home another 2 miles.

A few years ago I did have a rough idle and accel. similar and it ended up being the broke pick-up/sending unit in tank (but of course that was when you get to around 1/4 tank of fuel and didn't run bad above that much fuel in tank), plus there was almost or more than a gallon of water in tank. I have done the mod for the fuel pickup with hoses, filter canister, etc. but wondered at first today if I had gotten bad gas or water in the tank again. Not sure how that much water got in the tank to begin with but that was bout 5 or 6 years ago.

Truck has over 200k miles and Ive had it for 11 years. In the morning will check the ICP sensor by unplugging look at fuel filter bowl, etc. A question I have is: Is water heavier than diesel, would it run thru my line first? thinking diesel is heavier than gas because of oil content....

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