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P0405 Diagnostic Trouble Code Discussion for July 2009

EGR Position Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0405
Help Request Posted
2001 Chevrolet Astro LS 4.3L Cuts out, Stall, MIL Lamp on VIN: 1GNDM19W51
P0405: EGR Position Sensor Circuit Low Input. Hello IATN tech members. I have a 2001 Chevy Astro van in my shop I just can not seem to figure out. It came in with the symptom of not being able to idle and I just can not put my finger on why. The customer informed me this happen after she filled up with ga...
July 09, 2009
1998 Buick Riviera 3.8L No Start VIN: 1G4GD2213W
P0405: EGR Position Sensor Circuit Low Voltage. ... this on a GM 3800.We have always been able to troubleshoot and repair this engine. Anyway i could use some help on this one. The car was towed here from a shop down the road.The 3800 code one supercharged engine has good spark and good fuel pressure.The sh...
July 25, 2009