😂

The glow plugs stay on for 90 seconds, even after the wait to start light goes out. So they were on while I was trying to start it. This hard start was due to the oil viscosity and HEUI injectors.

@@nate0031 we have a v10. Excursion with 967.000, miles. All original

Freedom Riders Thanks. Nothing like that first start on a cold day, lol. Switched to 5W-40 Synthetic and it's much happier.

Русский террор 96 agreed the 6.0 and the 6.7 is total garbage

Русский террор 96 Navistar made it not Ford

@@SpeedDudeGTX international-navistar this a great engine but needs take care of oil leak and electric sensor's!!

with the 6.0s and 6.4s, theyre not bad if you take care of them. The 6.7 is a damn good engine. So is the 7.3 You also can't forget about engines like the 4.6 V8 that was out at the same time as the 7.3, or the 5.4 V8 or 6.8 V10.

@@carlenger9707 the 5.4 v8 had good power but had problems with spark plugs, stalling when hot, fly wheel breaking, and not to forget they dont do good on gas, but make good power and torque

Hi how are you im from Morocco

Thanks! Glad it doesn't get that cold around here, lol.

@@nate0031 not every days but a couple weeks in December and January we have and not so much car's car resistance on lower temperature!! Toyota is probably the best mark on this country is a king of the cars up here no matter diesel or benzine engine's

Yah...possibly because it is...I don't know, how about COLD?? Mine runs off of 1 cylinder at about 250 RPM until the other 7 begin to light off, that is my biggest problem with the 7.3 Powerstrokes, otherwise, I love them

@@Ninja-qm8bp proper glow plugs, compression, and injectors will fix that

William Anderson who cares about that light

I ruined an engine by driving with that light on for too long.

The light who means "Your engine is near to fuck up"

wx4newengland that light can mean literally anything, the one in my SUV turned on because of a sensor malfunction that had nothing to do with the engine, they turn on randomly

ReactedGoose Gaming might be the reason why it starts like shit.

The engine is only firing off one or two injectors, so the engine is doing the fluctuating on its own, because the other injectors are too cold to be firing

Big difference from a gas engine with spark plugs and a Diesel engine

Not jelled, else it wouldn't have run fine the rest of the day.

That's because in a 7.3 Powerstroke, the glowplugs stay on for about a minute and a half. So even though the light goes out, the glowplugs are still on. That is why after a bit of trying, I would turn the key all the way off and back on, to make sure they always stayed on.

For as great as the 7.3 Powerstroke engine is, HEUI really does add an additional set of problems. These engines simply need an oil pan and block heater for winter weather to start the best.

Haha. Truth.

On a 7.3 Powerstroke, they're on long after the light goes out. So they were on virtually the entire video. When it was long enough that I wasn't sure they were on, I cycled the key to restart their cycle.

oh ok

I heard was at least a minute after the light went out they stayed on but idk

A forged rod 2001.

That was on 15-40 conventional. I switched to 5-40 full synthetic and cold starts were much better.

@@nate0031 I was going to say, that sounds like some thick oil. I just bought an 6L excursion and run the 0w40 rotella. Was wondering how hard the starts were going to be in our cold Canadian winter even with the thinner oil. I've never owned a diesel before.

@@fortunatedad7695 Nice. We've actually been driving a 6.0 now for 5 years. It's honestly started easier than our 7.3's in the cold, using the 5-40 full synthetic as well. Not that the 7.3's ever failed to start, the 6.0 just always seems to light off faster. Coldest I've tried both is -12°F. The 0 weight ought to help you if you get much colder, which I'd assume is the case. They've got block heaters too if you really need it, but honestly I've never used, nor felt the need to use ours.

@@nate0031 we get usually between -20 to -40 degrees Celsius. We will see how she goes I guess :). Definitely will be utilizing the block heater 👍

Are you a moron?

The throttle was pushed, but it did exactly what you see in the video. It simply won't rev if the injectors can't get oil. Glowplugs were all good. I switched to 5w-40 synthetic so oil could flow better in the cold, and it no longer had issues.

That is also a great way of nuking your crank bearings. You need to stay far away from engines.

Rayner Bønå Not a bad theory, but she was running winter fuel, and none of our other diesels gelled either that day. Gelling also wouldn't have cleared itself like that. Would've moreso done the opposite, starting easy then stalling and refusing to start. 7.3's, being that they use HEUI injectors, are sensitive to thick oil. If the oil is too thick, such as having a higher viscosity in cold weather, flow is hampered and the high pressure oil system has difficulty keeping up with the injectors.

Ok, so then your fuel it self should not be the problem. It ran quite all right the first or second time it startet, and then acted up.. If all was well with fuel-delivery it should have ran quite fine, maby a small hickup, not like that.. So this seemes to me as lack of fuel. An old fuel-filter will give restriction even though it's not all sludge, but will increase the likelyness of sludge/gel I believe. So a little heat in the engine would free up the filter and provide enough fuel for a smooth run. *IF* it's filter-related, after the engine has stalled I believe the fuel-delivery pump still runs for a while. That will provide enough fuel for your next startup, giving this "magic" fix. For sure, I'm not 100% sure, but a fuel-filter is so cheap and to stupid to neglect if that in fact is the problem ;)

Rayner Bønå Problem is, fuel filter didn't even have 1,000 miles on it when this video was taken. It was still quite new. Do you know how HEUI works?

Hmm, there blows my theory for this one ;) No sorry. I'm just a self-thaught mechanic, living in Norway, where "nobody" buys V8-cars, or even american cars ;)

Rayner Bønå No problem with that, lol. Was still a good theory. In sum, each injector is it's own high pressure fuel pump, a unit injector. On this particular engine, there's a high pressure fuel pump (HPOP) that supplies each injector with up to 3,000 PSI of oil pressure. When the computer wants to fire an injector, it energizes a solenoid that allows the high pressure oil to act on a plunger, which in turn presses on the fuel, pressurizes it, and injects it. The area of the plunger that the oil presses on is 7 times larger than the area of it that presses on the fuel, so injection pressure is 7 times greater than oil pressure, giving about 21,000 peak injection pressure. So what is most likely happening here is, the thick 15w-40 oil is nice and thick at those temperatures, so it's harder to push it through the tubes that supply each injector. The surges are likely caused by the injectors having enough oil to fire initially, but as the engine comes up to idle, the oil volume required by the injectors to fire cannot be pushed by the pump, so the engine begins to stall. As engine speed falls, the pump is able to bring oil rail pressure up, and the injectors able to fire again, wherein you get the repeated surging. As the engine runs a little and the oil begins to warm, it starts running better and better and having longer times between surging and stalling, until finally the oil flows freely enough to sustain normal engine operation. I highly doubt I would've had this had i switched to a lower weight oil for the winter, as it would've flowed much better at lower temperatures. The Ford 7.3 PowerStroke, Ford 6.0 PowerStroke, and various Navistar and Caterpillar engines used this design. Most all applications of it have since been replaced with common rail setups. The design was quite advanced when it came out in the early 90's, offering somewhat similar capabilities to common rail before common rail had really come into the market. All our other diesels are European, lol. Several TDI's. Whether VE pump, Pumpe Duse, or common rail, they all light right off in the cold.

Eh, didn't need to be. Just needed lighter weight oil for the winter. It was usually in the garage anyway, and it doesn't spend a whole lot of time that cold around here. Even with the 15w-40, it'd light off the first time if it was 0 or warmer.

Yea when the oil gets cold and thick it sure doesn't help, lol.

Using engine oil for injector pressure adds all kinds of problems to cold starts. Honestly, the prior 6.9 and 7.3 IDI engines started easier than the 7.3 Powerstroke does.

It wasn't. Started up and ran fine after this. If fuel was gelled, it would've needed treated/warmed. Also, often with gelled fuel, it'll start fine, run for a short bit, then stall from fuel starvation.

kjilk simble My foot wasn't even touching the accelerator at 1:00. She did that all on her own. You'll notice that it idled slightly longer over time, till the oil was finally warm enough to keep itself running.

Yeah that's how diesel works, it uses self-combustion. It can idle but when there isn't constant fuel flow, just like in any ICE it stalls.

I was. Doesn't do anything for me if the oil can't flow well unfortunately.

Joseph Linz This is a 2001. 7.3 PowerStroke was in Ford trucks from late 1994 to 2003 though.

Nathan when I was saying they started in 2000 I was referring to this model configuration, thanks for the additional information though

They started in 1999.5 and also they ended 7.3 production in 03 due to emissions and all that and went to the 6.0

MrBreakfest lol. Least not when it's real cold out.

😂😂😂

Lol there so easy to steal tho

That would ruin my, never had to plug it in record! But no, it started fine after I switched to a 5-40 synthetic. Didn't like the 15-40 dino on those cold mornings.

Oh, but where's the fun in that? lol. I actually just switched to a lighter weight oil, and that did the trick for me. I have a feeling that if it fell through -20°F by too far, I'd have little choice about using the block heater though.

metalbeast1998 Thick oil. Synthetic 5W-40 changed its life the next year.

Andy Ramin what about it

i honestly dont know what this guys even trying to talk about lol. whoa theres a light there, fuckin amazing isnt it

Andy Ramin Called glow plugs

Lol, but then it would only get ~12 MPG.

An be a gasser. An nobody wants that

OUR V10, EXCURSION HAS OVER 966.OOO! MILES STILL RUNS GREAT

I don't think translate is doing us any favors here. I'm not sure where the 1.7C you have is coming from.

She's just cold with think oil. A lighter weight synthetic oil made her start up nice.

Cold starts were never a strength of the HEUI system, but it always started. However, that thing had about 300,000 miles, towed around the country, and I never had to touch the motor aside from oil changes. So definitely not a vehicle I'd call a POS.

She just needed some lighter weight oil for the cold weather. Didn't like the conventional 15-40 to much. Started easy just like my other 7.3 PSD after that switch.

@@nate0031 Oh ok. I was thinking along the lines of weak glowplugs, low compression, or weak injectors. Very glad that's not the problem. Winter oil and winter fuel are essential here.

martin robillard Lol. I was giving it throttle. It's not going to make a difference on an engine with HEUI injectors if the injectors aren't getting enough oil.

martin robillard stfu nobody cares to know what you think

Riiigghhhhtttt then you've not been driving a 7.3 with that beautiful HEUI injection system or any diesel for that matter. Especially never in cold weather. Giving an oil pressure controlled injection system more throttle when there is a nice glob of thick oil in the sump pan.....not gonna help. Appreciate the laugh I really do, but please don't post something if you know jack shit about what you're saying..

Kevin Dillon lol. This is a cold diesel with thick oil. It's towed tens of thousands of miles around the country without a hiccup. I think she's doing just fine.