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Stock 1995 - 2001 Explorers Questions related to non-modified 1995-2001 Explorer, Mountaineer, Ranger and '02+ Sports and Sport Trac. Problem solving, maintenance, TSB, service bulletins, owner reviews, specifications.

egr flow excessive

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Old 12-29-2007, 10:20 AM   #1
tomah wi
1997 mercury mountaineer
Join Date: May 2007
Posts: 191

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(Original Poster)
egr flow excessive

have had this truck for two years had code p0402 when i got it. Sprayed egr rod? with wd-40 and worked it back and fourth with flat blade screwdriver, code went away. six months later code came back, sprayed it again code goes away. did this again yesterday,light went off after a couple of drive cycles. Will this damage the diaphram? will somthing else last longer?

97merc mountaineer 5.0 with the PITA to change egr
hazmat456 is offline   Reply With Quote
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