PO403 EGR Solenoid control circuit?
11-29-2007, 09:22 PM
#1
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PO403 EGR Solenoid control circuit?
OK, got this code yesterday when I scanned, and turned it off. Came back this afternoon.
I pulled the EGR valve and wirebrushed some carbon off the pintle nose and the flange, looked down into the two holes, and don't see any obstruction or excess carbon buildup. I reinstalled the connector using dielectric grease (it was dry), erased the code, and now the light'* still out after an hour drive.
Anything else to do? I checked the archives and it seems to me (there'* not much) that this code is complaining about the circuit, not the EGR valve itself.
Anything else to do, or do I just wait and see if the CEL lights up again?
I pulled the EGR valve and wirebrushed some carbon off the pintle nose and the flange, looked down into the two holes, and don't see any obstruction or excess carbon buildup. I reinstalled the connector using dielectric grease (it was dry), erased the code, and now the light'* still out after an hour drive.
Anything else to do? I checked the archives and it seems to me (there'* not much) that this code is complaining about the circuit, not the EGR valve itself.
Anything else to do, or do I just wait and see if the CEL lights up again?
11-30-2007, 12:06 AM
#2
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Wait and see if you get the light again..
You may be in need of replacement
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You may be in need of replacement
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11-30-2007, 03:39 PM
#3
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Originally Posted by jr's3800
You may be in need of replacement
Talk about a simple job. 30 seconds, off and on for the valve.
11-30-2007, 04:19 PM
#4
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I think possibly the EGR Valve its self.. 
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11-30-2007, 04:33 PM
#6
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Makes me wonder what kind of issue its having.. Keep driving it...
Car still runs good right?
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Car still runs good right?
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11-30-2007, 09:38 PM
#7
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Originally Posted by jr's3800
Makes me wonder what kind of issue its having.. Keep driving it...
Car still runs good right?
Car still runs good right?
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