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Home >> Buick >> 2003 >> Century Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 3.1L Engine >> Diagnostic Tests >> DTC P0404: EGR Open Position Performance >> Conditions For Setting DTC

Conditions For Setting DTC

The difference between the EGR position sensor parameter and the desired EGR position parameter is more than 15 percent.
The above condition is met for more than 20 seconds.

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