Crank no start
Cargo Master
Joined: Oct 2007
Posts: 2,712
Likes: 107
From: BoCoMo
There is a 'Tech Folder' for the '99-03 7.3....go to that folder and down to the 'no start'.... look at the 'flow chart' ... This will give you an idea of 'yes' this works or 'no' this does not 'work' and suggestions on why and what to do.
No Ether ever.... boom...
You said that you were able to 'pull codes', what did you use to 'pull them' and what were they?
(if your 'post'/'problem' 'rolls' off the front page, post again and that will 'bump' it back up)
https://www.ford-trucks.com/forums/a...6&d=1564895572
No Ether ever.... boom...
You said that you were able to 'pull codes', what did you use to 'pull them' and what were they?
(if your 'post'/'problem' 'rolls' off the front page, post again and that will 'bump' it back up)
https://www.ford-trucks.com/forums/a...6&d=1564895572
Thread Starter
|
5th Wheeling
Joined: Oct 2023
Posts: 38
Likes: 2
There is a 'Tech Folder' for the '99-03 7.3....go to that folder and down to the 'no start'.... look at the 'flow chart' ... This will give you an idea of 'yes' this works or 'no' this does not 'work' and suggestions on why and what to do.
No Ether ever.... boom...
You said that you were able to 'pull codes', what did you use to 'pull them' and what were they?
(if your 'post'/'problem' 'rolls' off the front page, post again and that will 'bump' it back up)
https://www.ford-trucks.com/forums/a...6&d=1564895572
No Ether ever.... boom...
You said that you were able to 'pull codes', what did you use to 'pull them' and what were they?
(if your 'post'/'problem' 'rolls' off the front page, post again and that will 'bump' it back up)
https://www.ford-trucks.com/forums/a...6&d=1564895572
Laughing Gas
Joined: Nov 2020
Posts: 994
Likes: 367
From: Republic of Texas
https://www.ford-trucks.com/forums/1738638-crank-no-start.html
I am just going to leave that up there.........^^^^^^^^^^^^
I am just going to leave that up there.........^^^^^^^^^^^^
Laughing Gas
Joined: Nov 2020
Posts: 994
Likes: 367
From: Republic of Texas
https://www.ford-trucks.com/forums/1...l#post21013811
^^^^^^^^ read prior post and do it....^^^^^^^^^^
^^^^^^^^ read prior post and do it....^^^^^^^^^^
Thread Starter
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5th Wheeling
Joined: Oct 2023
Posts: 38
Likes: 2
Some folks just want to find the one guy to post this.... Today I am that guy...
Stop throwing parts at it and do what we asked previously. Let us know what you have in detailed answers to what we asked previously.
We need specific parameters and numbers... Fixed or changed or spec tell us absolutely nothing. You were given several things to look at and do and your responses were worthless at best.
Starting a new post with the same issue will get you nowhere.
Stop throwing parts at it and do what we asked previously. Let us know what you have in detailed answers to what we asked previously.
We need specific parameters and numbers... Fixed or changed or spec tell us absolutely nothing. You were given several things to look at and do and your responses were worthless at best.
Starting a new post with the same issue will get you nowhere.
Thread Starter
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5th Wheeling
Joined: Oct 2023
Posts: 38
Likes: 2
https://www.ford-trucks.com/forums/1...l#post21013811
^^^^^^^^ read prior post and do it....^^^^^^^^^^
^^^^^^^^ read prior post and do it....^^^^^^^^^^
PREMIUM SPONSOR
Joined: Mar 2005
Posts: 1,863
Likes: 19
From: Hoschton,GA
ok and what is the ICP pressure while cranking? What is your fuel pressure while cranking?
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Get Tuned! 828-221-0076 ext. 802
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5th Wheeling
Joined: Oct 2023
Posts: 38
Likes: 2
how do I check these , and wouldn’t that not change the fact that the wait to start is not coming on?
Cargo Master
Joined: Oct 2007
Posts: 2,712
Likes: 107
From: BoCoMo
You installed a new PCM. (from Diesel Tech of Chattanooga). Was your old PCM 'bad'? Did you have the no 'wait to start' light before changing the PCM to a new one?
Do you know someone who has a 7.3 with the same type of PCM that does run and be able to 'borrow' their PCM? I am sure that your 'new' PCM is fine, but it is good to know. If possible you can ask (if you know someone with a 7.3) to install your new PCM in their truck to see if all works fine. Just tossing out a suggest and disregard if you want.
These are suggestions that I have found on the web:
If the fuses are all good (look in your Owners Manual for those associated w/PCM) then next unplug the engine sensors by disconnection the large square Black connector over the Drivers side Valvecover and see if the WTS returns.
Another suggestion, (not my truck): I had a no wts light issue. It turned out to be the fuse block itself. A soldered connection inside for the fuse had broke. If fuse is good but no wts light, this likely the problem.
(Other suggestions I found online): I would recheck the fuses (one may have blown between starting attempts). Don't waste your time leaving the plugs on and trying to start without a WTS. If the PCM isn't running, neither is the GPs nor the Fuel Pump.
youtube suggestion:
Do you know someone who has a 7.3 with the same type of PCM that does run and be able to 'borrow' their PCM? I am sure that your 'new' PCM is fine, but it is good to know. If possible you can ask (if you know someone with a 7.3) to install your new PCM in their truck to see if all works fine. Just tossing out a suggest and disregard if you want.
These are suggestions that I have found on the web:
If the fuses are all good (look in your Owners Manual for those associated w/PCM) then next unplug the engine sensors by disconnection the large square Black connector over the Drivers side Valvecover and see if the WTS returns.
Another suggestion, (not my truck): I had a no wts light issue. It turned out to be the fuse block itself. A soldered connection inside for the fuse had broke. If fuse is good but no wts light, this likely the problem.
(Other suggestions I found online): I would recheck the fuses (one may have blown between starting attempts). Don't waste your time leaving the plugs on and trying to start without a WTS. If the PCM isn't running, neither is the GPs nor the Fuel Pump.
youtube suggestion:
Thread Starter
|
5th Wheeling
Joined: Oct 2023
Posts: 38
Likes: 2
You installed a new PCM. (from Diesel Tech of Chattanooga). Was your old PCM 'bad'? Did you have the no 'wait to start' light before changing the PCM to a new one?
Do you know someone who has a 7.3 with the same type of PCM that does run and be able to 'borrow' their PCM? I am sure that your 'new' PCM is fine, but it is good to know. If possible you can ask (if you know someone with a 7.3) to install your new PCM in their truck to see if all works fine. Just tossing out a suggest and disregard if you want.
(Other suggestions I found online): I would recheck the fuses (one may have blown between starting attempts). Don't waste your time leaving the plugs on and trying to start without a WTS. If the PCM isn't running, neither is the GPs nor the Fuel Pump.
If the fuses are all good (look in your Owners Manual for those associated w/PCM) then next unplug the engine sensors by disconnection the large square Black connector over the Drivers side Valvecover and see if the WTS returns.
Another suggestion, (not my truck): I had a no wts light issue. It turned out to be the fuse block itself. A soldered connection inside for the fuse had broke. If fuse is good but no wts light, this likely the problem.
Do you know someone who has a 7.3 with the same type of PCM that does run and be able to 'borrow' their PCM? I am sure that your 'new' PCM is fine, but it is good to know. If possible you can ask (if you know someone with a 7.3) to install your new PCM in their truck to see if all works fine. Just tossing out a suggest and disregard if you want.
(Other suggestions I found online): I would recheck the fuses (one may have blown between starting attempts). Don't waste your time leaving the plugs on and trying to start without a WTS. If the PCM isn't running, neither is the GPs nor the Fuel Pump.
If the fuses are all good (look in your Owners Manual for those associated w/PCM) then next unplug the engine sensors by disconnection the large square Black connector over the Drivers side Valvecover and see if the WTS returns.
Another suggestion, (not my truck): I had a no wts light issue. It turned out to be the fuse block itself. A soldered connection inside for the fuse had broke. If fuse is good but no wts light, this likely the problem.
Cargo Master
Joined: Oct 2007
Posts: 2,712
Likes: 107
From: BoCoMo
As DP-TUNER, pointed out in post #8. where he has seen where the heating element in the Fuel Bowl burning through and shorting out and NOT blow a fuse but could/has harmed the PCMs. You could check if the fuel bowl heating element is burned through by taking the fuel bowl lid off and look at the element. There most likely will be a lot of build up of 'grunge' and junk at the bottom of the bowl. It would be good to clean this grunge out and pull the heating element spades off so there is no current going into the bowl.... if... you decide to plug the back of the bowl (heating element/water in bowl) connection back up. you do not need the heating element in the fuel bowl unless you live about the Arctic Circle. I unplugged my heating element inside the bowl and out side the bowl.
Step by step, You/we, will find the issue. when you do, please report what the final cause may have been. This will help other 7.3 owners in the future.
Thank-you
Step by step, You/we, will find the issue. when you do, please report what the final cause may have been. This will help other 7.3 owners in the future.
Thank-you
Thread Starter
|
5th Wheeling
Joined: Oct 2023
Posts: 38
Likes: 2
Sorry what exactly am I looking for like frays or what
Thread Starter
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5th Wheeling
Joined: Oct 2023
Posts: 38
Likes: 2
As DP-TUNER, pointed out in post #8. where he has seen where the heating element in the Fuel Bowl burning through and shorting out and NOT blow a fuse but could/has harmed the PCMs. You could check if the fuel bowl heating element is burned through by taking the fuel bowl lid off and look at the element. There most likely will be a lot of build up of 'grunge' and junk at the bottom of the bowl. It would be good to clean this grunge out and pull the heating element spades off so there is no current going into the bowl.... if... you decide to plug the back of the bowl (heating element/water in bowl) connection back up. you do not need the heating element in the fuel bowl unless you live about the Arctic Circle. I unplugged my heating element inside the bowl and out side the bowl.
Step by step, You/we, will find the issue. when you do, please report what the final cause may have been. This will help other 7.3 owners in the future.
Thank-you
Step by step, You/we, will find the issue. when you do, please report what the final cause may have been. This will help other 7.3 owners in the future.
Thank-you
Last edited by Auzcole; Oct 24, 2023 at 11:08 AM.