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CODE P1401 EGR EVP sensor circut high V


insaneiam416
02-10-2009, 05:19 PM
Read some posts that suggested changing out EGR sensor, to correct a p0402 code that I had in my previous post, so that is what I did. After doing so I now have an error code p1401 EGR EVP sensor circuit high voltage detected. Also showing P0171 System too lean bank 1 and P0174 System too lean bank 2. Anybody got anything?
theoldwizard
02-20-2009, 10:41 AM
...I now have an error code p1401 EGR EVP sensor circuit high voltage detected.
Actually, P1401 is "DPFE output circuit high". Replace the DPFE.

Also showing P0171 System too lean bank 1 and P0174 System too lean bank 2.
Most frequently caused by one of more vacuum leaks.

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