Need help with codes
Thread Starter
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Junior User
Joined: Feb 2007
Posts: 65
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Need help with codes
I have a 2000 f-250 7.3 and am having problems with the idle.
I also have a Superchips 1750 MAX tuner that will read codes.
The codes that I got were:
1) P0478
2) P0470
3) P01211
What do these codes mean and what do I do next.
Thanks Frank
I also have a Superchips 1750 MAX tuner that will read codes.
The codes that I got were:
1) P0478
2) P0470
3) P01211
What do these codes mean and what do I do next.
Thanks Frank
Post Fiend
Joined: Jun 2006
Posts: 5,497
Likes: 7
From: Central, Al
478 and 470 are about the exhaust backpressure and usually tied to a clogged sensor and tube.
1211 indicates that injection control pressure was above or below commanded desired pressure
Possible causes:
incorrect oil or viscosity
poor oil quality
gel fuel/no fuel
low fuel pressure
damaged IPR valve
high-pressure oil system leak
damaged high-pressure oil pump
damaged PCM
1211 indicates that injection control pressure was above or below commanded desired pressure
Possible causes:
incorrect oil or viscosity
poor oil quality
gel fuel/no fuel
low fuel pressure
damaged IPR valve
high-pressure oil system leak
damaged high-pressure oil pump
damaged PCM
Elder User
Joined: Jun 2006
Posts: 613
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From: Connecticut
Originally Posted by Frank Stahl
I have a 2000 f-250 7.3 and am having problems with the idle.
I also have a Superchips 1750 MAX tuner that will read codes.
The codes that I got were:
1) P0478
2) P0470
3) P01211
What do these codes mean and what do I do next.
Thanks Frank
I also have a Superchips 1750 MAX tuner that will read codes.
The codes that I got were:
1) P0478
2) P0470
3) P01211
What do these codes mean and what do I do next.
Thanks Frank
Are you having a problem with the truck?
Thread Starter
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Junior User
Joined: Feb 2007
Posts: 65
Likes: 0
No, I was thinking of taking it in some place again.
The last time I took it in for the same problem it cost me 1400$.
And I still have the same problem, the dealer wanted to change the hpop next.( another 1000$)
I told him I would hold off.he told me that after he changed out the computer and some censors it would run good.
1400$ later and a truck that ran like cr@p, I did not want him to touch my truck any more.
Frank
The last time I took it in for the same problem it cost me 1400$.
And I still have the same problem, the dealer wanted to change the hpop next.( another 1000$)
I told him I would hold off.he told me that after he changed out the computer and some censors it would run good.
1400$ later and a truck that ran like cr@p, I did not want him to touch my truck any more.
Frank
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Post Fiend
Joined: Jun 2006
Posts: 5,497
Likes: 7
From: Central, Al
Aren't you having some veggie oil issues also?
Couple of ways to monitor it
1, Scanner like AutoEnginuity that can read live data
2. Mechanical gauge in the HPO rail plug (needs to be rated for over 3000psi).
2 items that come into play are the ICP (injection control pressure) sensor and IPR (injection pressure regulator). ICP tells the PCM what the rail pressure is and the PCM Commands the IPR to increase/dump pressure depending on pedal input and load.
With it only occuring once warmed up makes me think fluid issue instead of a sensor. What all did they do when you took it in? if they did not change the IPR check here http://cw-diesel.com/LuxSite/IPRInfo.htm
Couple of ways to monitor it
1, Scanner like AutoEnginuity that can read live data
2. Mechanical gauge in the HPO rail plug (needs to be rated for over 3000psi).
2 items that come into play are the ICP (injection control pressure) sensor and IPR (injection pressure regulator). ICP tells the PCM what the rail pressure is and the PCM Commands the IPR to increase/dump pressure depending on pedal input and load.
With it only occuring once warmed up makes me think fluid issue instead of a sensor. What all did they do when you took it in? if they did not change the IPR check here http://cw-diesel.com/LuxSite/IPRInfo.htm
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Thread Starter
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Junior User
Joined: Feb 2007
Posts: 65
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Thanks and yes, I am the guy that runs veggie oil.
The problem is that when it is running on veggie it runs fine.
I will check out the other site.
you don't think that the injectors are bad,
i only have 130000 miles on the truck,
I am not much of a wrench when it comes to my truck, I wish that there was someone close to me that was good with a wrench. I live in wisconsin Germantown.
thanks Frank
The problem is that when it is running on veggie it runs fine.
I will check out the other site.
you don't think that the injectors are bad,
i only have 130000 miles on the truck,
I am not much of a wrench when it comes to my truck, I wish that there was someone close to me that was good with a wrench. I live in wisconsin Germantown.
thanks Frank
Post Fiend
Joined: Jun 2006
Posts: 5,497
Likes: 7
From: Central, Al
It could, but 130K is young for the injectors unless they have ingested really bad oil or fuel. I would try to verify that the ICP, IPR, HPOP, and fuel pressure (while on dino) are all within specs before looking at an injector though.
There are a couple of WI guys on here but not real sure where in WI.
There are a couple of WI guys on here but not real sure where in WI.
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