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P0405 Diagnostic Trouble Code Discussion for September 2012

EGR Position Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0405
Help Request Posted
2000 Chevrolet Camaro Z28 SS 5.7L Excessive Emissions VIN: 2G1FP22G6Y
P0405: EGR Sensor Circuit Low Voltage. This vehicle came in after multiple smog check failures and the customer working on it himself and taking to other shops.after scaning it we found that the egr tested good,air injection not coming on-relay bad-replaced that,hose for air inj. To engine twisted-...
September 28, 2012
2007 Chevrolet Silverado 2500 HD LT 6.6L Hesitation, Cuts out, MIL Lamp on VIN: 1GCHK23677
P0405: EGR Position Sensor Circuit Low Voltage. Hello all. This truck will not set the code for me, it seems the customer gets it to do it at least once a day. He states the MIL comes on, truck runs rough no power. Sometimes even has to pull over and restart it. Then when I get it, it only has that EGR code...
September 28, 2012