1999 Ford Expedition my ses

1999 FORD EXPEDITION
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JOKER114
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Electrical problem
1999 Ford Expedition V8 Four Wheel Drive Automatic 132.00 miles

i whent to autozone to see why my check engine light was on and they told me that it whas my egr valve i change the egr valve,presure selinoid.and some other parts and the light came back on i put in to this truck 500 dollars in 2 days and i still got the same problem and i dont now what to do now. thank you sincerly israel
Nov 6, 2008 at 8:42 PM
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BMRFIXIT
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what do u have for code # ?
did u check dpfe sensor
check and clean egr passages
Nov 6, 2008 at 8:54 PM