Ford 7.3L Power Stroke (1999-2003) :: Turn Over For 30 Seconds After Cranking / Engine Starts To Run Roughly Then Die


Feb 11, 2017

I have a 2002 F-450 crew cab 2wd automatic 7.3 diesel with 298k on the body and about 120k on a Jasper engine. About a month ago I started it in the morning to let it warm up. Went to make coffee. Came back and it had died. It was low on fuel and I didn't pay attention. Played hell getting it primed back up. Now if I don't let it warm up for twenty minutes it won't run worth a flip and has been dying out. Changed fuel filter. Unplugged ICP. No change. When I crank it it will turn over for about thirty seconds then oil pressure gauge moves, then engine starts to run very roughly. It will die. I repeat a few times. It will eventually start and start and stay running. Blows whitish grey smoke until it warms up. No loss in power till CEL comes on. Still not too much loss. Sometimes it takes a long time to get it running. Sometimes it will die after I get out of the driveway if I don't let it warm up. Truck was serviced maybe 3000 miles ago. No water in fuel. New fuel filter. New air filter. It is a company truck. I work for a small company building cell towers.

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Ford 7.3L Power Stroke (1999-2003) :: Starts But After 5 Seconds Of Cranking Even Warm

I am a longtime 7.3 IDI guy with an 88 F350 crew so i know about diesels. But this is my first electronic diesel. I picked up a 2001 F450 2wd auto 260k miles. it used to be my work's truck but was stitting for a year and now i got it in "non running condition"

I towed it home and got it started by replacing the batteries and using the block heater.

As expected it took a few tries of long cranking to run the first time. runs pretty good and no smoke. what surprised me is it still takes about 5 sec of cranking to restart each time when warm too. any direction you would look with those symptoms? HPOP, IPR?

i am pretty sure the glow plugs all work because mechanics had replaced all that stuff. but i know back when the truck was last used it would still never start cold unless plugged in (even in summer).

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Ford 7.3L Power Stroke (1999-2003) :: New HPOP And Injectors - Long Cranking About 15 - 30 Seconds

I recently did the following work:

New Injectors
New T500 Hpop
New IPR
New ICP Sensor
New UVCH/Glowplugs
New starter

Been cranking about 15-30 seconds each time about a dozen times now. I've pulled the icp and the hp crossover and have oil flowing at each.

ICP builds to about 240 psi and at a 98% duty cycle....so I assume there's still some air in the system. I"m not getting any sense that the engine is trying to hit. Do i just keep cranking?

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Ford 7.3L Power Stroke (1999-2003) :: A/C Goes To Defrost At First When Cranking But Then Runs Fine After A Couple Seconds

I have Warn hubs that I have to lock in. All works good. A/C goes to defrost at first when cranking but then runs fine after a couple seconds. So, I was thinking that maybe my pump is running all the time. Who knows. I'm sure all my vacuum lines are dry rotted. What exactly is the need for it exactly and what's the best way to cap? Hoping to do it at the unit itself if possible.

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Ford 7.3L Power Stroke (1999-2003) :: Started Up After Cranking A Couple Of Seconds / Blowing Oil Out - Valve Cover?

I had the engine out of my truck (7.3 with e4od) to do manifolds. Anyway, I got it back in and started it up. Since there was air in th fuel lines it had to crank a couple seconds but started up. I looked and now fluid coming out, then it sat for a few minutes running and I took it for a drive. While sitting in the driveway it wa smoking a bit. But I thought it's from the oil I got in the exhaust while drilling two of the manifold bolts and soaking the bolts with ATF/acetone. After about half a mile I thought that maybe it's more oil then that would cause... So I went back. I looked and the inside of the exhaust is covered with oil, and the rear of the engine is also.

When it was out I capped all of the open ports so I could pressure wash the grease off. Also, I flipped the CCV so I could do the delete. During instal, I missed the cap on the CCV and it was not able to breath. I think that maybe it built up pressure and blew the valve cover gasket? It looks like it's coming from the right cover on the backside; I had not taken this cover off while the engine was out. How much pressure does it build? Is it possible that it could have blown the gasket out? I have done the oil cap trick to test blowby and it always passed the test. What it could be? For the leak on the engine and why it's in the exhaust?

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Ford 7.3L Power Stroke (1999-2003) :: 2002 F550 Taking 4 Seconds Of Cranking To Start Consistently Hot Or Cold

I have now replaced hpop, injectors, cups, gpr, batteries, uvch on both sides, icp and ipr on my 2002 F550 and it still has a long crank to start.

It has been driven about 1,000 miles since then and no change. I have no codes except buzz test produced a high to low 1272 1274 1276 1278 one time. Cannot get that to happen again.

It is taking 4 seconds of cranking to start consistently hot or cold. It always starts but cranks for what seems like too long compared to my other 7.3s. I have included a screenshot of the data and am curious on what everyone's thoughts are as I am out of things to look at!

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Ford 7.3L Power Stroke (1999-2003) :: Truck Starts And Runs For Forty Five Seconds Or So

Trucks been running perfect for 11,000 miles atleast. its last issue was a bad turbo but that was my fault. No issues whatsoever since. 10 miles down the road from work last night truck had a slight miss in between 55-60 for four or five seconds, I put the pedal down and brought it up to 75 or so just to see if it was my imagination and it felt fine so i wrote it off. It ran fine to the house we're working on i wanted to check on before I got home.

Parked it, it idled down to 650 before it came back up to 750 and it never does that and sounded different then it usually does. so i felt something was definitely up. i shut it off, was at the house about a half hour before i decided to head home, started and ran fine, three miles down the road the slight miss came back, it seemed to go away if i got on it pretty good and when i let off but just cruising with slight throttle it had the slight miss.

Got to my road where i had to slow down and turn and it idled down and died. I coasted over, unplugged the icp sensor and it cranked for 10 seconds or so and lazily came back to life. I got it home running decent and parked it. Scanned it with my old super chips tuner and it came up with a p0340 camshaft position code.

Matched my symptoms i felt so this morning i decided id go back to work and grab my spare out of my wrecked truck. truck started and idled perfect. made it to the end of my driveway before the miss came back and then it just died. took the car to work, grabbed my spare camshaft sensor and my maximus scanner, came home scanned it, no returning p0340 cam code but i swapped the camshaft sensor anyway and watched icp and ipr data, the ipr voltage is where it should be and rises while cranking while cranking.

ICP is climbing to almost 3,200 psi and it will begin to run when it peaks out. she'll fire for 45 seconds after 25 seconds of cranking or so and then it'll just die. if it sits for a few minutes it takes a few seconds of cranking before ICP will come off of 0. I've come to the conclusion that it is making high pressure oil it is just dumping it as fast as it can make it. I changed the ipr out because that can do it, it didn't change anything so I'm on to believing an injector is dumping it as fast as possible.

Is it possible for something to come undone inside the injector to make it dump high pressure oil or will a bad o ring cause this? i'm leaning towards a failing injector as when it does fire and run its definitely misfiring and i just put new o rings on them when i swapped them over from my wrecked truck but that was like 45,000 miles ago as well..

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Ford 7.3L Power Stroke (1999-2003) :: Starter Does Not Actually Turn Over For 1 - 3 Seconds When Turn The Key

Trying to track down an issue (annoyance) I'm having with my 02 7.3 4x4 excursion. When I get in the truck and turn the key (after waiting for glow plugs) the starter doesn't actually turn over for 1-3 seconds and sometimes up to 5. When the truck does turn over everything works perfect it's just an annoying delay.

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Ford 7.3L Power Stroke (1999-2003) :: 2002 F250 Starts And Runs With Rough Idle For About 10 Seconds When Cold

I have an issue with my 7.3.... the truck will not start if it sits overnight without being plugged in, even in 65 degree weather. It starts and runs with a rough idle for about 10 seconds after its been plugged in for an hour, after the rough idle is gone it runs great .. it will Stat back up as long as the truck is warm (70+).... I've replaced the batteries, glow plugs, starter (it was going bad) and fuel filter. .. also replaced the gpr today. ....

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Ford 6.0L Power Stroke Diesel :: New Injectors - Now Truck Takes Almost Two Seconds Of Cranking To Start Engine

I just finished installing a new set of injectors, standpipes and the blue spring kit on our 2005 Excursion 6.0. The truck idles and runs much better but now it takes almost two seconds of cranking to start the engine. Cold and hot are the same and the length of time between shut down and start doesn't seem to matter either.

What to check? I am planning to check the ICP tonight when I get home. Could I have air trapped some where in the system? This is my first powerstroke so I don't know if this is a possibility.

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S-10 :: 1999 Truck Takes A Few Seconds When Cranking Then Finally Starts

My truck has a short in it. I've noticed this delay for the past few months. Takes a few seconds when I'm cranking it, then it finally starts. Could it be the alternator that I need replaced? It's not the battery, cause I'm getting plenty of juice.

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Ford 7.3L Power Stroke (1999-2003) :: Idle Roughly - No Power - Got Codes P1280 And P1316?

Started my truck yesterday and drove about 1/4 of mile and all of a sudden I lost all power but was lucky enough to creep back home. Had a friend put it on a scanner and it spit out P1280 and P1316 codes. My truck will start and idle rough but has no throttle response and no power. I changed out the CPS and ICP and the problem still exists. I got an infrared thermometer and checked the heat coming off each manifold and the driver side was reading about 200 while the passenger side was reading about 75 while at idle. Pulled valve pan cover off the passenger side to check and see if the harness came loose and everything looked fine. So my question is do you think this could lead to a bad IDM?

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Ford 6.7L Power Stroke Diesel :: Engine Stumbles Badly A Few Seconds After Regen Starts

Is there an alert setting to signal when a regen starts? My engine stumbles badly a few seconds after a regen starts. The dealer hasn't found the problem. Right now I just keep an eye on the soot level gauge.

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Ford 7.3L Power Stroke (1999-2003) :: 2002 - Hesitating While Cruising Along At 35 MPH Roughly

I have a 2002 7.3 160k miles and recently it has been hesitating while cruising along at 35mph roughly. In park right off idle the engine does shake but if i give it a little more pedal the shake clears out. Not sure if that has anything to do with my issue but im just throwing it out there. Anyways cruising down the road the truck will hesitate almost like its not getting enough fuel the engine bogs then picks up then bogs and picks up but it i give it more pedal the truck gains speed and the issue stops and i can resume cruising at say 45 and not feel this hesitation at all.

On the toll road i never feel the hesitation cruising at 2k rpms. A problem that might of lead me to this issue was in the winter below 30 degrees i would drive the truck get to a stop light engine still cold or maybe warming up off the cold mark but when i go to take off from a light its like my fuel pedal doesn't work but the rpms will climb a little then the truck takes off and jerks really hard since i had the engine rev'd up. which made me think throttle sensor immediately or maybe the trans is having issues. since its warm out I don't have that issue now so i believe that it the trans. do you think maybe my hesitation now is also the trans? I never get a CEL. I did recently change the coolant temp sensor and now i am having this hesitation issue.

But I was told the ECM does not care about coolant temp on an auto truck so i dont see how that could affect my performance. Instead the autos monitor oil temp and the manual trucks monitor coolant temp correct? I had an issue like this with the truck years ago when i purchased it i was leaving the gas station on very cold maybe 10 degree day and the truck fell flat on its face and threw a bunch of codes but i let off the throttle and got back in it and it took off like nothing happened. So im not convinced the coolant temp sensor was defective from factory. But this old problem of not accelerating seems to be coming back to haunt me.... and i think its in a new form with the hesitation once in a while. I think i forgot to mention the hesitation isn't all the time!

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Ford 7.3L Power Stroke (1999-2003) :: 2000 - Running Roughly While In Gear

I have a 2000 Excursion, with about 199k miles on it, 2WD, Automatic. Recently started running rough, but only when in gear. Seems to occur more when in reverse. But, within the last few days, i have noticed it starting to run rough while in park. You can rev up the engine and let it settle, and it will sound fine, run fine. Don't see any issues while driving it, between the engine or the trans.

I am leaning towards the injectors being the issue, but not 100%. The engine also started sounding sloppy when shutting off, like it wouldn't stop rotation right when you kill it. It doesn't stay running, but has that extra clank, like it takes longer to stop. (Hard to describe it) I just put some cleaner in it yesterday, and i was going to see if that works only.

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Ford 7.3L Power Stroke (1999-2003) :: Click When Turn The Key But Engine Does Not Turn Over

Drove it last night around 9pm. Parked it and went to drive it again this morning around 7:30. No cold weather here or rain. Here is what I know: When I turn the key I hear a click (not a repeating click) but the engine doesn't turn over. Batteries have 12.5 volts. I put my trickle charger on them and had full charge after about 3 or 4 minutes. When I turn the key the headlights do not go dim. I put a screw driver across the solenoid on the passenger side fender and got a strong arc. When I do that, I can also hear another click that sounds like its coming from the engine. I tapped the starter a few times with a hammer, but it still wont turn over. I'm guessing bad starter.

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Ford 7.3L Power Stroke (1999-2003) :: Fuel Pump Runs For 20 Seconds At Key On / Long Start Takes About 6 Seconds

This applies to a 2001 F-350 with 73,000 miles on the engine. Engine oil level is good, batteries charged, HPOP reservoir is full and passes Cody test with flying colors. Fuel pump runs for 20 seconds at key on. Start takes about 6 seconds. If I shut the key off and restart immediately it starts in under 2 seconds but if I wait about 30 seconds it's a 6 second start. Here is an AE that I ran on it, it has me stumped. FWIW it seems to start quicker when AE is hooked up. ?? An odd whir type of noise comes out from somewhere under the hood when I first turn the key on and when I clear the codes with AE.

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Ford 6.0L Power Stroke Diesel :: 2005 F350 - Engine Starts After Clicking Sound When Crank For Few Seconds

I am lost on what I need to do with my 2005 6.0. Last summer it started giving me trouble once in a while starting. I turn the key on and wait for the wait to start light to go out. When it goes out, turn the key and it starts, most of the time. Last summer I went to start it the same way, only it cranked and did not start. I turned the key off, back on and cycled the wait to start light again and turned to the start position, it started right up. Whenever it would act up I just turn the key off then back on and it starts right up. Usually on the second try, but lately it has taken 3 or more tries. I am not finding any real pattern to when it wont start.

When it does not start I can crank on the starter until the battery dies and it wont even think about starting. Turn the key off and back on, it will start.
Another thing I have noticed, when I crank the engine I can hear a clicking from under the hood right before it starts. I think it must have something to do with the injectors. I will crank the engine a few seconds, hear the clicking then it starts. If I don't hear the clicking it will not start, so when it doesn't want to start I also do not hear the clicking sound.

The other day I started it, drove 5 or 6 blocks and shut it off. After 20 minutes or so went to leave. I had to cycle the key 4 or 5 times off and back on before it decided to start. It is getting worse, doing it more frequently, and taking several times of key off and back on to get it going. Where should I start looking to find this problem?

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Ford Super Duty (1999-2016) :: Engine Starts To Run Very Roughly Then Will Die

I have a 2002 F-450 crew cab 2wd automatic 7.3 diesel with 298k on the body and about 120k on a Jasper engine. About a month ago I started it in the morning to let it warm up. Went to make coffee. Came back and it had died. It was low on fuel and I didn't pay attention. Played hell getting it primed back up. Now if I don't let it warm up for twenty minutes it won't run worth a flip and has been dying out. Changed fuel filter. Unplugged ICP. No change. When I crank it it will turn over for about thirty seconds then oil pressure gauge moves, then engine starts to run very roughly. It will die. I repeat a few times. It will eventually start and start and stay running. Blows whitish grey smoke until it warms up. No loss in power till CEL comes on. Still not too much loss. Sometimes it takes a long time to get it running. Sometimes it will die after I get out of the driveway if I don't let it warm up. Truck was serviced maybe 3000 miles ago. No water in fuel. New fuel filter. New air filter. It is a company truck. I work for a small company building cell towers.

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Ford 7.3L Power Stroke (1999-2003) :: 2002 F450 - Engine Stops For About 1 Second And Starts Back Up By Itself While Driving

The truck is a 2002 F450 7.3 diesel with about 120k Miles.

While driving from 45-70Mph the truck engine stops for about 1 second and starts back up by itself. I thought the problem was the cps so I replaced it with a ford CPS. Today the problem still persists. The truck engine turns off and comes back on, the tach drops to 0 rpm and so does the speed.

The Check Engine Light comes on and so does the water in fuel light and so does the Check Gage light. After I turn off the truck and start it back up the truck does not show the lights.

I believe I found the issue, but can't look into it today. While I was moving some of the wires on the truck I found out that if I move the red/black bunch just a little bit the truck shuts off and comes back on when i let it go.

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Ford 7.3L Power Stroke (1999-2003) :: ICP Was Only Getting To 350 PSI While Cranking

Been working on a no start issue on my truck last couple days. ICP was only getting to 350psi while cranking. Anyway I did the Cody test today and found bad o-rings on the #2 injector, I think. It's the front one on passenger side.

I just installed these injectors from PIS last fall and had a loud tick that sounded like a loose injector if the oil temp was below 40 deg, but went away the warmer the engine got. I never got to into looking for it because I work in my drive and it was to cold this winter, so it sat most of the winter and i drove my other truck. This spring when it started warming up I started driving it again and the tick was barely noticeable. I should note too that that side runs about 100 deg hotter than the other on the pyro's

I forgot to try re-torquing the injector before pulling it but it wasn't loose in the hole and the bolt was pretty tight. I have extra o-rings, enough to do all the injectors, but wondered if it was worth it or just do the one that's bad?

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