95 ford ranger w/ check engine lite on codes p1401,p1443,p0402,what are the codes for? how do i fix them?

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Those are all EGR system codes, so I'm 95% sure you need to replace the DPFE sensor on your truck, NOT the EGR valve. The best way to verify this would be to have your truck connected to a diagnostic scan tool that reads live data. Monitor the DPFE volts data with the engine running at idle. If it's 4.99 volts, your sensor needs to be replaced. Normal reading should be 0.99 volts at engine idle. Go to your local Ford dealer parts department and ask for part number F77Z-9J460-AB to get the part you need. This part takes all of two minutes to replace yourself. You will have to "erase" the codes afterwards. Hope this helps.

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You can search the forums for those codes and what repairs they require. They are both great sites.

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Good Luck!

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Well if you know the codes call an autozone and the will tell you what they mean and help you find the best posible solution to fix your truck
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