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P1404 Diagnostic Trouble Code Discussion for September 2010

EGR Position Sensor Rationality Closed


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Trouble Ticket Help Requests for DTC P1404
Help Request Posted
2003 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHK23163
P1404: EGR Valve Closed Position Performance. Intermittent P1404 closed EGR performance fault. Light reoccurring more frequently now. Vacuum pump little noisy, but provided consistent 25" of vacuum. Tested vent solenoid and throttle solenoids, ok. Inspected all vacuum hoses, ok. Replaced EGR valve. Li...
September 02, 2010
2003 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHK23163
P1404: EGR Valve Closed Position Performance. Intermittent P1404 closed EGR performance fault. Light reoccurring more frequently now. Vacuum pump little noisy, but provided consistent 25" of vacuum. Tested vent solenoid and throttle solenoids, ok. Inspected all vacuum hoses, ok. Replaced EGR valve. Li...
September 03, 2010
2003 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHK23163
P1404: EGR Valve Closed Position Performance. Intermittent P1404 closed EGR performance fault. Light reoccurring more frequently now. Vacuum pump little noisy, but provided consistent 25" of vacuum. Tested vent solenoid and throttle solenoids, ok. Inspected all vacuum hoses, ok. Replaced EGR valve. Li...
September 02, 2010
2003 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHK23163
P1404: EGR Valve Closed Position Performance. Intermittent P1404 closed EGR performance fault. Light reoccurring more frequently now. Vacuum pump little noisy, but provided consistent 25" of vacuum. Tested vent solenoid and throttle solenoids, ok. Inspected all vacuum hoses, ok. Replaced EGR valve. Li...
September 03, 2010