HELP --- 6.8L engine swap
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HELP --- 6.8L engine swap
I did some searching here and found some very knowledgeable people on the V10 so here it goes......
I own a small wrecking yard and thought I would build a 2004 superduty.
So I get this thing done it runs very good gets 14.2 - 14.7 mpg with 35 inch tires --- Its perfect!!!!! Except for one thing when it warms up it starts to ping and rattles under a slight load...
Now I think the EGR is the problem (just from talking with people here) but not sure how to fix it...
I used a 99 V10 and harness (which has an EGR system) and used all the 2004 electronics which has no EGR..
But what I dont understand is that if there is no EGR in the 2004 electronics how would it make a difference in the way it runs hot or cold....
Is there something I can disconnect on the EGR system on the engine to pinpoint the problem...
(can you tell Im not very smart on this stuff)
I own a small wrecking yard and thought I would build a 2004 superduty.
So I get this thing done it runs very good gets 14.2 - 14.7 mpg with 35 inch tires --- Its perfect!!!!! Except for one thing when it warms up it starts to ping and rattles under a slight load...
Now I think the EGR is the problem (just from talking with people here) but not sure how to fix it...
I used a 99 V10 and harness (which has an EGR system) and used all the 2004 electronics which has no EGR..
But what I dont understand is that if there is no EGR in the 2004 electronics how would it make a difference in the way it runs hot or cold....
Is there something I can disconnect on the EGR system on the engine to pinpoint the problem...
(can you tell Im not very smart on this stuff)
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i dont know if this will help - when i purchased a NOS 1997 ford 4.0 ohv to go into my 1994 explorer, i knew i had to change the upper intake, dist input & sensors.
but i left all the 97 egr vaccum lines.
it seemed to start fine - but ran like crap.
after i put the 94 lines on its been runnning great.
just a thought
but i left all the 97 egr vaccum lines.
it seemed to start fine - but ran like crap.
after i put the 94 lines on its been runnning great.
just a thought
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I guess I dont understand what causes the pinging -- If the ecm has no knowlege of an EGR system it wouldnt do anything with the timing --- so it cant be in the electronics ------ Correct????
So is it mechanical??? somehow it must be the EGR system and how does that cause pinging???? And if I use a block off plate for the EGR valve and plug the exhaust tube at the exhaust manifold is that all I would need to do???? Or are there other components that make up the EGR system that I would need to remove????
Sorry for all the questions but I would like to get this thing fixed before I burn down this engine AND my wife is getting tired of me and my fishing buddies towing the boat with her Navigator!!!!!
So is it mechanical??? somehow it must be the EGR system and how does that cause pinging???? And if I use a block off plate for the EGR valve and plug the exhaust tube at the exhaust manifold is that all I would need to do???? Or are there other components that make up the EGR system that I would need to remove????
Sorry for all the questions but I would like to get this thing fixed before I burn down this engine AND my wife is getting tired of me and my fishing buddies towing the boat with her Navigator!!!!!
Senior User
Joined: Aug 2007
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My 99 V10 makes a pinging or tapping sound under slight load on warm up also but it goes away once it reaches 105 degrees. Im not worried about it as it has always done this. Could be a manifold bolt or piston slap or many other things. If the noise ever doesn't go away after warming up then I would look into it.
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FTE Leadership Emeritus
Joined: Jul 2002
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From: Long Island USA
I'm still thinking that the non-PI '99 mixed with the '04 PCM is giving you problems, and has nothing to do with the EGR.
Can you possibly try a '99 PCM somehow?
The '99 doesn't breathe as well as the 2000-2004, and given that the 2000-2004 gets more air-fuel, the timing might be advanced more than the '99's. Without looking at the PCM maps, I have no idea ... Where's Johnny when we need 'im?
Beyond that, I'd make sure the MAF is clean, and the fuel system is getting the correct pressures. And no vacuum leaks.
Can you possibly try a '99 PCM somehow?
The '99 doesn't breathe as well as the 2000-2004, and given that the 2000-2004 gets more air-fuel, the timing might be advanced more than the '99's. Without looking at the PCM maps, I have no idea ... Where's Johnny when we need 'im?
Beyond that, I'd make sure the MAF is clean, and the fuel system is getting the correct pressures. And no vacuum leaks.
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hey,
i dont think the 99 egr harness is compatible with the 2004 electronics.
you should get the upper vaccum / wiring harness for a 2004 or even the throttle body setup from a 2004.
it could be a simple vaccum thing.
i dont think the 99 egr harness is compatible with the 2004 electronics.
you should get the upper vaccum / wiring harness for a 2004 or even the throttle body setup from a 2004.
it could be a simple vaccum thing.
Former Vendor
Joined: Sep 2000
Posts: 2,627
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From: South Carolina
I'm still thinking that the non-PI '99 mixed with the '04 PCM is giving you problems, and has nothing to do with the EGR.
Can you possibly try a '99 PCM somehow?
The '99 doesn't breathe as well as the 2000-2004, and given that the 2000-2004 gets more air-fuel, the timing might be advanced more than the '99's. Without looking at the PCM maps, I have no idea ... Where's Johnny when we need 'im?
Beyond that, I'd make sure the MAF is clean, and the fuel system is getting the correct pressures. And no vacuum leaks.
Can you possibly try a '99 PCM somehow?
The '99 doesn't breathe as well as the 2000-2004, and given that the 2000-2004 gets more air-fuel, the timing might be advanced more than the '99's. Without looking at the PCM maps, I have no idea ... Where's Johnny when we need 'im?
Beyond that, I'd make sure the MAF is clean, and the fuel system is getting the correct pressures. And no vacuum leaks.
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So can I plug in the 99 ECM in without messing with all the rest of the electronics of this truck OR can the ECM out of the 04 be programed to match.......Or whats the best way to do this....
Ive changed the knock sensor on the 99 to an 04 type is there cam, crank sensors that could be changed to match????
Ive changed the knock sensor on the 99 to an 04 type is there cam, crank sensors that could be changed to match????
Former Vendor
Joined: Sep 2000
Posts: 2,627
Likes: 76
From: South Carolina
So can I plug in the 99 ECM in without messing with all the rest of the electronics of this truck OR can the ECM out of the 04 be programed to match.......Or whats the best way to do this....
Ive changed the knock sensor on the 99 to an 04 type is there cam, crank sensors that could be changed to match????
I used a 99 V10 and harness (which has an EGR system) and used all the 2004 electronics which has no EGR..
Ive changed the knock sensor on the 99 to an 04 type is there cam, crank sensors that could be changed to match????
I used a 99 V10 and harness (which has an EGR system) and used all the 2004 electronics which has no EGR..
My suggestion would be to reprogram the 04 PCM with a custom file that has 99 non pi timing tables ...I am also not saying you shouldnt try the 99 PCM...but thats a patch if it does work...in my opinion..
Again best way is to recalibrate 04 PCM for 99 engine...
Also did the 04 PCM come out of a superduty also? If so its programmed with EGR also. And would need to be turned off if EGR is missing on the engine.
Good luck and let me know if i can help in any other way.
Mike
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I would rather do this the right way instead of using the 99 PCM because I know if I do that something else might not work right ---- THANKS for your help!!!!!!
