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P0405 Diagnostic Trouble Code Discussion for September 2008

EGR Position Sensor Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P0405
Help Request Posted
2001 Cadillac Seville SLS 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6KS54Y71
P0405: EGR Position Sensor Circuit Low Voltage. after start up the egr valve opens for about 10 seconds causing the car to run rough you can watch it open on the scan tool the valve isnt the problem i tried another thinking maybe it was weak it does not have excessive back pressure either
September 18, 2008
2001 Cadillac Seville SLS 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6KS54Y71
P0405: EGR Position Sensor Circuit Low Voltage. after start up the egr valve opens for about 10 seconds causing the car to run rough you can watch it open on the scan tool the valve isnt the problem i tried another thinking maybe it was weak it does not have excessive back pressure either
September 19, 2008
2001 Cadillac Seville SLS 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6KS54Y71
P0405: EGR Position Sensor Circuit Low Voltage. after start up the egr valve opens for about 10 seconds causing the car to run rough you can watch it open on the scan tool the valve isnt the problem i tried another thinking maybe it was weak it does not have excessive back pressure either
September 18, 2008
2001 Cadillac Seville SLS 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6KS54Y71
P0405: EGR Position Sensor Circuit Low Voltage. after start up the egr valve opens for about 10 seconds causing the car to run rough you can watch it open on the scan tool the valve isnt the problem i tried another thinking maybe it was weak it does not have excessive back pressure either
September 19, 2008