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P1404 Diagnostic Trouble Code Discussion for March 2010

EGR Position Sensor Rationality Closed

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Trouble Ticket Help Requests for DTC P1404
Help Request Posted
1998 Chevrolet C1500 Silverado 5.7L Surge, MIL Lamp on VIN: 1GCFC14R3W
P1404: EGR Valve Closed Position Performance. hey guys here is another good one.this truck comes to our shop from two other shops.the other shops have replaced the egrs with oem parts and cleaned the passages at no avail.we have replace the connector due to the fact that the termnials were opened up.it co...
March 04, 2010