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P1404 EGR Pintle Position
I hooked up the scan tool, checked data PID's For EGR. The pintle was stuck open 13%. I commanded the EGR to open and close. EGR still stuck open 13%. Checked powers and grounds and 5 volt reference. All are good. Replaced EGR, redid all tests, EGR is at 0% cl... Login to read more. 
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| Engine | 3.1 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2002 Pontiac Grand Prix SE 3.1L
| Engine | 3.1 L |
| Trans | 4-speed Automatic (Electronic) |
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