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P0405 Diagnostic Trouble Code Discussion for March 2011

EGR Position Sensor Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P0405
Help Request Posted
2002 Cadillac Seville STS 4.6L Excessive Emissions, Poor running, ping VIN: 1G6KY54912
P0405: EGR Position Sensor Circuit Low Voltage. ... the water pump crossover housing and 2 codes in the computer. The first code was p0171 the second code was for a dead o2 seson. We replace the water pump, crossover housing and dead o2 sensor. Test drove the vehicle and SES light came on. At this point the...
March 02, 2011
2002 Cadillac Seville STS 4.6L Excessive Emissions, Poor running, ping VIN: 1G6KY54912
P0405: EGR Position Sensor Circuit Low Voltage. ... the water pump crossover housing and 2 codes in the computer. The first code was p0171 the second code was for a dead o2 seson. We replace the water pump, crossover housing and dead o2 sensor. Test drove the vehicle and SES light came on. At this point the...
March 02, 2011