P0404 Diagnostic Trouble Code Discussion for November 2010
EGR Position Sensor Performance
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| Help Request | Posted | |
| 2005 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHK23225 P0404: EGR Open Position Performance. ... egr activation test and all % match des and acutual and maf drops dramatically. maf 48 no egr, 28gs with 10% egr, 3gs with 30%. performed amp test on 5vlt term a to b= .165. tested volt drop on b to grn .05volts. calculated results for ohms was .303 ok. Co... |
November 02, 2010 |
