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What is a rough cost? P0677

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Old 08-18-2014, 12:23 PM
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What is a rough cost? P0677

Hey,

I had a code come up on my SGII this morning. No cell light. P0677 - cylinder 7 Glow Plug Circuit fault. Anyone have an idea of rough cost? Truck feels like its lost some power.

I have also had some codes come of on the EGR flow, and one other one that have gone away after clearing them and not returned. Want to do the EGR delete, I see a few SCT tuners on the web. Which one should I go with if the only purpose to buying it is for the delete?

2006 6.0L


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Old 08-18-2014, 12:29 PM
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If you are going to delete the EGR just leave the valve in place and leave it plugged in, you dont need the sct it wont throw a code cause it wont know the difference as long as the egr opens and closes when comanded to do so by the computer, if you want to take everytjhing out, than you need the sct so you dont keep throwing egr codes. Change no 7 glow plug, but when one goes so too will the others, replace them all as were getting closer to winter every day now.

Last edited by David7.3; 08-18-2014 at 12:31 PM. Reason: Adding info
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Old 08-18-2014, 12:48 PM
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Any Idea on cost to replace all glow plugs?

On the XPD site they say the SCT is needed for 06-07's to avoid the code? What is the trick to avoid that?

Thanks,
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Old 08-18-2014, 01:03 PM
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if you leave the EGR valve hooked up to the wire, it will not throw the code and the fan will run correctly. If you remove the EGR valve, you will get a code and the SCT can turn it off. The SCT runs in the $400 range.
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Old 08-18-2014, 01:35 PM
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What are the pro's and con's of leaving the valve hooked up to the wire V.S. pulling it all and using the scanner?
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Old 08-18-2014, 01:51 PM
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if you leave the EGR valve hooked up to the wire, it will not throw the code and the fan will run correctly. If you remove the EGR valve, you will get a code and the SCT can turn it off. The SCT runs in the $400 range.
if you leave the valve hooked up, you don't need a $400 scanner to turn it off and your fan will run correctly. You can delete the EGR cooler and just let the valve lay there, working as before. No added cost.

OR

Remove the EGR and the valve and pay $400 for the scanner to turn off the CEL.
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Old 08-18-2014, 01:53 PM
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if you leave the EGR valve hooked up to the wire, it will not throw the code and the fan will run correctly. If you remove the EGR valve, you will get a code and the SCT can turn it off. The SCT runs in the $400 range.
that is the pro and conns
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Old 08-18-2014, 01:58 PM
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So I am just throwing money away bying the scanner? Sorry if I keep asking the same question. I just don't see why someone would pay for a scanner unless they wanted it for performance?
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Old 08-18-2014, 02:07 PM
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The behavior of the truck with the EGR delete depends on the flash version in the PCM. Early trucks generally dont throw a code and later models generally do. I forget the code number but it's for reduced EGR flow and is measured by a lack of expected temp rise at the iat2 sensor and something else, maybe MAF.

I don't think a scanner model can keep the CEL off, you need a tuner that can tell the PCM to ignore the readings.
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Old 08-18-2014, 02:11 PM
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I'm sure a scanner of lesser quality could also turn the CEL off well. Having one would allow it to be turned off whenever it popped up.

The SCT does come with canned tunes.
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Old 08-18-2014, 02:13 PM
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IMO only change #7 glow plug. Lots of times you get a single failure and others last for a good long time.
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Old 08-18-2014, 02:18 PM
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The reduced EGR Flow is P0401 I think. I got that one last month and it went away and didn't come back, then last week I had a different code which also went away and hasn't come back.

Thanks Bismic, I Will just change the #7, I found a new Diesel Mechanic in the area who works at the local Ford dealership and does this work on the side, The guy I was refred by said he does great work, and he get start on it tonight. I think I will have him do something as far as an EGR delete while he has it. I had my PCM re flashed in 12' when the dealership was screwing me over on my FICM
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Old 08-18-2014, 02:27 PM
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Wiebold Ford?
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Old 08-18-2014, 02:46 PM
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No, in Moutain home
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Old 08-18-2014, 03:32 PM
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Quote:
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Wiebold Ford?
Wiebold is now Corwin Ford
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