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P0404 Diagnostic Trouble Code Discussion for January 2016

EGR Position Sensor Performance


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Trouble Ticket Help Requests for DTC P0404
Help Request Posted
2002 Cadillac Seville SLS 4.6L Hesitation VIN: 1G6KS54Y12
P0404: Exhaust Gas Recirculation Open Position Performance. Customer brought car in with complaint of no power an can not get over 25 miles per hour. took it for a drive and it almost seems like its in limp mode. If you step on the gas at 20 miles an hour it will start bucking. We checked for loose grounds and could no...
January 27, 2016