Ford 7.3L Power Stroke (1999-2003) :: Hard To Start Cold - No Codes


Jan 4, 2016

My truck is hard to start when cold and I suspect glow plugs. But it is not showing any codes? If it is a glow plug or glow plug relay at fault , should it throw a code?

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Ford 7.3L Power Stroke (1999-2003) :: Hard Start When Cold / White Smoke

When it is cold out side like 20 degrees I'm having problems starting my 2000 7.3 I'm cycling it about 5 times and misses smokes white for a bit then stays running I was thinking of changing out the fuel filter. What it could be?

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Ford 7.3L Power Stroke (1999-2003) :: Hard Cold Start / Now EBPV Not Working

It's been a while but thats because the truck has been performing well.

Current problem: The truck has been hard to start this year as if the glow plugs are not working or are bad. It will start right up if I use the block heater.

Just recently, I also noticed that the EBPV is not coming on when warming up the truck.

Also, This winter season, the engine temp is not coming up to normal. the engine temp needle is more on the low side towards the C and definitely less than 1/2 way up where is normally is. When driving on the highway, the temp comes up more. but sitting at idle it barely gets warm.

So not sure if all 3 are related or not, but looking for a starting point.

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Ford 7.3L Power Stroke (1999-2003) :: 2000 - Hard To Start On Cold - Oil Leaking?

20 degrees out this morning truck not plugged in, didn't want to start had to cycle 4-5 times, each time waiting for glow plug Light to go out.

Finally cranked didn't sound pretty but cranked. Once it started idling on its own got out and seen a puddle of oil under the front of the engine drivers side center kind of.

Got up on the truck and shined a light in the valley and seen a puddle in intake valley. Heres my question? Where did this oil come from? Once it warmed up it quit and oil kinda disappeared from valley???

I had turbo off a few months ago because I thought I had a bearing down in it, but found some bolts lose. When I put turbo back on I broke the wire plug on front of the pedestal so I just left it unplugged. Very hard to cold start now that that is unhooked.

Did leaving this unhooked create a hard cold start? Should I put another pedestal on it with the plug or install one without it? Also will it hurt to leave plugged in overnight?

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Ford 7.3L Power Stroke (1999-2003) :: F350 - Hard Start When Engine Cold

2003 F350 7.3L 164k miles. Got towed in with hard to start cold complaint.

Hooked it up to the Snap On Verus Pro scan tool and we get up to 3000 psi on the ICP cranking, IPR value seems within spec, we have rpms over 100 on tool, pulse width within spec, computer voltage above 10v while cranking, verified output of glow plug module (California) and glow plugs get voltage for approx 50 seconds @ 80 degrees farenheit, glow plugs all read 0 ohms resistance.

injectors do NOT sound the same during buzz test.

Vehicle takes EXCESSIVE cranking cold to eventually get it started. LOTS of cranking. Just had to replace starter and a battery because driver burned em out. It feels like the vehicle shakes when it gets running. Black smoke when revving cold. Sometimes white smoke while cranking.

Once the engine has been warmed up, it starts perfectly every time.

I have spent two days in the engine bay looking for chaffed wires and doing diag and my current diagnosis is bad injectors. I feel there COULD also be high pressure oil leak, or a mechanical issue such as low compression. No compression guage yet for this truck. We have the ICP and IPR fittings to do a shop air test. Recently did a 6.0L and went thru everything and eventually diagnosed it as bad HPOP. LOW ICP pressure.

I noticed two of the cylinders were at maybe 8% Perdel on the data. Seems too high. Also, it "passed" the KOER self test and "passed" the injector buzz test with no codes after, but the audible sound of injectors didn't "seem" right to me, but I am new to these engines.

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Ford 7.3L Power Stroke (1999-2003) :: Hard To Start When Cold Outside But Eventually Fires Right Up

My 1999 F550 7.3L has been hard to start when it's cold outside since I got it with about 150k on it (it has 200k on it now). Last year we tested the glow plugs and sure enough 5 of 8 were bad. So they are all new now. It worked a little with the hard start, but not much.

When it's cold out the engine will crank forever amongst clouds of smoke and the smell of unburnt diesel fuel and sometimes eventually start, followed by smoke and sputtering until the cylinders clear out. However, what I have noticed recently is that it will sometimes start in the first few revolutions. It seems like the best way to start cold is as follows:

1. Let the glow plugs heat up for a minute or two,
2. Crank engine for 10 or 15 seconds and stop,
3. Crank engine again, but stop if it doesn't catch in the first couple of revolutions,
4. Repeat step 3 until engine starts.

When it starts using this method, it's immediate and it's running smoothly immediately with minimal smoke. This is making me think there's a computer or sensor issue, but I have no codes.

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Ford 7.3L Power Stroke (1999-2003) :: 2002 - Hard Start On Cold - Temperature Sensor / PCM?

I have a 2002 f350 that has had cold starting issues since I bought it. I have replaced the glow plugs twice, the glow plug solenoid four times. When I put a new solenoid on it it works fine for a short time. I know the solenoids are bad because I get battery voltage on one side and nothing on the other. If I jump the solenoid with a jumper wire I can get the truck to start. I thought I was getting bad solenoids but I have recently tested the activation circuit and am getting constant power there. I.e. It never shuts off. I think this is what is causing the solenoids to burn up. From the tracing of wiring diagrams I have done, the only thing before the solenoid is the Pcm. So now to the question,

1) What controls the activation of the Glow plugs? Is there a temperature sensor or something before the Pcm.
2) Is this a case of my Pcm going out on me? I am a mechanic in the army so I have a decent understanding of mechanics.

However I am at a loss for these systems.

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Ford 7.3L Power Stroke (1999-2003) :: Hard To Start / Smokes And Running Rough When Cold

I have a 01 7.3 crew cab dually and it's had cold start problems since i got it in 09.I have replaced everything i could think of including glow plugs gpr,harness and batteries. Any temp below 40 i have to plug it in . If i cycle it 3 or 4 times it will start but it smokes and runs ruff. My 00 7.3 excursion starts up down to about 10 degrees than i have to plug it in so i know dually is not right.

I have a afe intake,1.5 injectors, driven diesel rr, adrenilin pump,dp tune by gear head. Kinda at wits end don't mind plugging it in in dead of winter but now one night it's 30 next it's50 and i don't have to . Also have fully built trans by level 10 if it matters .I get battery light coming on every now and again. New alt about every year and a half.

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Ford 7.3L Power Stroke (1999-2003) :: Hard Start In Cold But Starts Fine Rest Of Day

2002 Excursion, 7.3L 375,xxx miles ... As the weather is cooling off, my excursion has a starting problem for a few years.

Replaced all the glow plugs last year. We (my brothers and I) thought it was injectors, but in the summer time or if block heater is plugged in, she starts normally and idles smoothly. And no smoke and runs fine once she warms up.

When cold, it acts like 1 or 2 injectors are not firing. Have run all kinds of cleaners through the oil and fuel.....

Don't want to swap injectors just to swap parts. Would like to diagnose problem....

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Ford 7.3L Power Stroke (1999-2003) :: Hard To Start When Cold With Leaking Injector O-Rings

Truck is a completely stock 2002. New injector o-rings, glow plugs, valve cover harness, and injector cups a year ago... all motorcraft parts. New batteries and starter in the last 6 months.

I've checked the GPR both at the relay and harness got power all the way to the valve cover harness on all 8. Injector buzz test sounds okay as well.

Had a stuck IPR issue a few moths ago that caused a CEL and died while running. Took apart and cleaned the IPR and CEL is gone truck runs great once started and has correct IPR pressures in all RPM ranges.

Truck runs great once it is started and is not sluggish until warm like when it was hard to start when cold with leaking injector o-rings.

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Ford 7.3L Power Stroke (1999-2003) :: 2002 F350 - Hard / No Start At Cold - Injector Buzz

This is an issue I started chasing after having all the injectors replaced on my aunt's F-350. We had them replaced due to hard/no start on cold (dealership told her they needed to be changed). Unfortunately, I did not get the buzz test results before changing the injectors.

So far that has been replaced:
Injectors
ICP (was leaking)
IPR
both UVCH
IDM (twice)

The issue we are having right now is that only 2 injectors (#6, #7) buzz properly. Initially when we changed the injectors, it did start but didn't seem to run quite right. We did the buzz test and at that time and injectors 1,3,5,6,7 would buzz strong but the rest were weak. After some forum lurking, we suspected that the IDM was faulty. We purchased a refurbished one and after we changed it, only injectors 6,7 would buzz strong. Thinking a faulty IDM was sent it back for a replacement. While waiting, we decided to put the old one back in figuring it would go back as it was before but only 6,7 would buzz strong. We receive the second IDM and same thing, only 6,7 buzz strong. We did a continuity test from the IDM connector and they all get 2.7 ohms (it was an older multimeter so not sure if being .1 under the 2.8-3.6 range is bad).

What I did next is use the uvch external pigtail to test the injectors. I plugged the extra pig tail into the uvch and then the ends of the wires into the plug of the upper harness. Afterwards, I would swap a different injector wire (on the pigtail) to the #6 injector wire (on the upper harness). Whatever injector that would go to #6 would fire correctly. So I know that the injectors themselves are fine. I am suspecting the wiring harnesses (upper/lower) but the continuity test would say otherwise. We also do not get any fault codes except for the EBP occasionally (waiting for a new one). I am lost on what to test or look at next.

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Ford 6.0L Power Stroke Diesel :: 2003 - Hard Cold Start?

2003 Excursiom 4x4 Limited

My first Diesel. Runs and drives great. Torque Pro app only showed coolant temp at 188. Would not show oil temp. Hard to cold start. New injectors. Has a programmer. He is asking 12K. It has 209K miles.

It belongs to a friend of mine and he rarely drives it. It stays under a cover most of the time.

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Ford 6.0L Power Stroke Diesel :: 2003 - Hard To Start And Runs Rough When Cold

My '03 6.0 is hard to start and runs rough when cold. Not just cold outside temps, but engine not up to temp. Starts and runs like a champ once it's up to temp. It was doing this when I got it, but it's getting worse.

From what I've read the common culprits are:

1 - failed solder joints on FICM power supply board
2 - bad power supply side of the FICM
3 - updated flash needed for FICM
4 - injector stiction
5 - leaky O-rings at high pressure oil rail to injectors

I have read up on how to run the voltage test on the FICM with a multimeter.
Seems like I would have to go to a dealer to have the software version for the FICM checked.

I am 100% competent to do the tests and/or repairs myself, but since I recently moved in with my fiance in a condo and my tools are in storage, I will have to do it at a friend's house. That being the case, I want to know what all of the common things are that I may need to check for so I am prepared. So, I wanted to see if there were any other common causes of this issue.

I plan to test the FICM voltage and give FICMRepair.com some business if that's the problem. And if that's not the problem (or maybe even if it is) I will get the injector seal kits and replace all of the injector seals as well as disassembling and cleaning the spool valves in the solenoids. I will also change oil and fuel filters with Motorcraft parts and Rotella synthetic oil while I'm in there.

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Ford 7.3L Power Stroke (1999-2003) :: Hard Starting In Cold And High Altitude

We're currently RV camping in the Wyoming Wind River Range at 8500 ft and is getting to freezing at night. The past two mornings the truck has been very difficult to start and I got quite a bit of smoke. This morning it took two or three tries but I got it going.

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Ford 7.3L Power Stroke (1999-2003) :: 1998 E450 Ambulance - Hard Cutout When Cold

Here's my video of it doing it: [URL].....

98 e-450 rv cutaway with the 7.3 PSD. 219k.

Here's what I have done so far

-New GPR
-New Glow Plugs
-New CPS
-unplugged the PCM, and re-plugged

When it cuts out like the first time in the video, the accelerator pedal does nothing at all. Then once the WTS and CEL go off, it's fine again for a bit.

It seems to only do it when the engine is cold as well. After I had driven it around the block a few times and let it idle, it got better. I was able to drive it 20 miles round trip without it cutting out.

Also, might be related, it has been random on power since I got it. Sometimes I have to floor the accelerator to get up a hill, sometimes I barely need to touch it.

What to check next? It's hard to tell if it's de-fueling or if it's an electrical issue.

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Ford 7.3L Power Stroke (1999-2003) :: 2001 - No Codes - Crank But No Start?

I purchased this unit, non running, was told the HPOP was bad, after going through the unit top to bottom, Im stumped, below is a list of items serviced and or replaced with OEM parts.

0. changed oil and oil filter
1. Terminator 500 Hpop
2. New ICP
3. New HPOP lines.
4. New starter and solenoid
5. Serviced Turbo (rebuilt with new parts and WW wheel)
6. Serviced Injectors (shimmed) all test good.
7. new pass and driver harness, UVHC replaced, glow plugs replaced.
8. new heavy duty GPR
9. Tested IDM no issues.
10. Hutch mod on tank (re-circulator was stopped up) deleted it, added inline filter.
11. serviced fuel bowl with new parts, upgraded parts on fuel bowl new blow off valve, new drain valve, tested heater all good no blown fuses.
12 replaced faulty fuel pump

Might be leaving something out of this list, the truck has run but only for very short periods of time, (hence the dropping of the fuel tank)

fuel pressure at 70 psi, some white smoke, connected to on board computer, checked every conceivable possibility No DTC codes, my gut tells me it has to be fuel related but at this point I just have run out of things to check.

I have tested everything with a fluke multimeter, including the IDM and all the circuits to the 42 as well as all the way to the injectors and glow plugs and find nothing wrong all tests yield valid readings,

There may be other information available but my after market scanner does not show any issue, KOEO buzz test results good.

The three times I have had this unit running it was dumping lots of white smoke, however after the last round of dropping the fuel tank and replacing the fuel pump the white smoke has dropped to a minimum, but cannot get the truck to run, cranks, wants to start, almost starts, got it up to 800 RPM last try but just will not go beyond that point.

I cannot find anything wrong, must be something I am either missing or its something my cheap scanner can't pick up on.

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Ford 7.3L Power Stroke (1999-2003) :: Hard Start Getting Harder

My e99 f250 has been getting harder and harder to start over the last year.

I think one of my batteries is dying or dead but it still cranks fast while it does.

For instance when I tried starting today it seemed to crank just like normal but their was some relay clicking inside the cab that was abnormal.

My understanding is aside from cranking no power is required to start the motor? what if the dead battery is taking some cranking amps from the good battery preventing the computer from getting juice?

would the truck throw a code if it was a glow plug?

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Ford 7.3L Power Stroke (1999-2003) :: Hard Shifts - Truck Will Take Two Tries To Start?

The first has I replaced my tranny with a stock 4r100 tranny and torque that only has 75k on it. The guy was doing a 6-speed swap. After I had the tranny and torque converter and a new tranny cooler installed, the tranny shifts real hard. I think it may be from my DP Tuner. Even on my economy tune driving it very easy sometimes, it jolts into gear pretty good.

I was wondering if I could just get a shift kit to maybe correct that and if so if I would have to drop the tranny to install the shift kit. I saw a bully dog kit for like 75 bucks, however, I don't really have the money to have the truck in a shop and I would really like to not drop the tranny and not lose all my tranny fluid if possible (very expensive).

Also my other issue, the truck in warm or cold weather is very hard to start. Half of the time it takes two tries to start it. It will crank and crank and no go. Then the second try it fires right up. It has two new batteries, where do I start? Is it possible that the starter is just getting old or is it fuel or oil pressure related possibly?

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Ford 7.3L Power Stroke (1999-2003) :: Hard To Start When Longer It Sits

2001 F 350 7.3 183,000 miles.. The problem is the longer it sits the harder it starts.. when it does start it runs VERY ruff!!! it takes 10 min or so to run on all cylinders.... This is my first diesel..

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Ford 7.3L Power Stroke (1999-2003) :: Hard Time To Start Intermittently

Just got myself a gently used Econoline E-350 7.3 Diesel and was loving it when she ran:

E-350 7.3 Diesel

Recently I have been having some charging issues. It started with it intermittently having a hard time to start, especially when it was warm. I carried a jump box with me and that always seemed to work. Then I noticed the voltmeter on the dash dropping. It went down to the 8 and I was like something is wrong.

Checked the battery voltage, it was at 9.6v. OK, maybe alternator isn't charging. Advance Auto tested the alternator, said it was bad. I replaced alternator. No difference. I pulled the battery and ran it on a conditioner to bring it up to proper voltage. It's now at 12.6v resting. Starts the van no problem. When running though the voltage doesn't increase to 13-14 volts like it should though telling me the alternator isn't doing it's job. Increasing engine RPM actually decreases voltage? Checked all the obvious things like bad grounds but everything seemed clean.

The only thing that was fishy was when I pulled the three way plug from the alternator, one of the pins had corrosion on it. I cleaned it up before installing the new alternator. I didn't do a diode test on the new alternator because I figured it was new, but hey maybe I got a lemon?

Anyway I'm going crazy trying to figure out where the problem is. All fuses are ok. Is there an external regulator or something I should be on the lookout for? Is there anything else that could be causing a non charging issue? The battery was manufactured in 2014 so it's relatively new.

And on a random note my ABS light is now on?

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Ford 7.3L Power Stroke (1999-2003) :: 2001 - P1316 IDM Codes Detected Coming Back Upon Start Up

I've been battling this truck for over a month now and starting to go a little crazy, It's a 2001 f350 7.3L, with a "used" 7.3L engine from a 1997. Transferred all the necessary parts to make it happen. Keep getting the evil p1316 idm codes detected coming back upon start up. Anywhere between 5-30seconds after starting the left bank dies. I've gone threw and replaced the IDM with a reman unit. New valve cover gaskets (with new harness). even went the extra mile and put in a new power wire (for the driver side) running directly from the new valve cover into the IDM bypassing a connector above the left valve cover. All injectors are checking out around 3ohms. With glow plugs all around 1-2ohms. What's interesting about this is, I can disable any one of the injectors on the left bank (doesn't matter which one) and the engine runs great considering it's down on one cylinder. But when I hook up that last injector it will kill the whole left bank again.

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