Codes
Jun 12, 2011 | 02:12 PM
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Codes
So I installed my Evolution tuner and it pulls up 3 codes. when i clear them they come right back does anyone have any ideas whats causing it.. the codes are P0407, P0488, P1000.
Jun 12, 2011 | 02:19 PM
Joined: Apr 2010
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From: Saratoga Springs,UT
first 2 are egr codes
p0407 egr circit low
p0488 egr circut range preformance
verify the egr valve is plugged in
Jun 12, 2011 | 02:26 PM
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It is plugged in.. at one point i disconnected it for a few days but it has been plugged in for over 1000 miles now
Jun 12, 2011 | 02:30 PM
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From: Saratoga Springs,UT
have you tried to remove the tunner and return to stock to see if problem goes away
Jun 12, 2011 | 02:34 PM
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The codes still remain.. tuner or not.. there is no CEL on the dash. they are just stored
Jun 12, 2011 | 03:17 PM
Joined: Apr 2010
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From: Saratoga Springs,UT
could be stored from being unplugged did you erase them
or its time for a new egr valve
Jun 12, 2011 | 04:56 PM
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I erased them through the Tuner but they stay there. to include the P1000
Jun 12, 2011 | 05:01 PM
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There is no CEL light, it is just stored in the PCM
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Jun 12, 2011 | 05:12 PM
Joined: Apr 2010
Posts: 19,055
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From: Saratoga Springs,UT
I would imagine your not getting a cel because of the year
p1000 cannot compleate the obdII test this one should go away when you fix the egr problem
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p0407 ,
p0488 ,
p1000 ,
test