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P1404 Diagnostic Trouble Code Discussion for January 2014

EGR Position Sensor Rationality Closed

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Trouble Ticket Help Requests for DTC P1404
Help Request Posted
2001 Chevrolet Impala 3.4L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 2G1WF52EX1
P1404: EGR Valve Closed Position Performance. ... codes listed above. Customer requested that we do the minimum to get this car to run properly. After taking a look at the codes I decided that that would be the best diagnostic strategy too. I decided to go after the P1404...
January 19, 2014