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1995 Mercury Grand Marquis LS 4.6L MIL Lamp on
Code 0402 keeps comeing up (EGR open @ idle)and it's not open. Not too much info on this veh. . Tryed a backpressure sensor but no luck. Looked for TSB's and none for this condition. Any ideas? Thanks in advance.
FIX posted 6/28/1999
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| VIN | 2MELM75W5S |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0402 | Excessive EGR System Excessive Flow Detected |
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Vehicle Data
1995 Mercury Grand Marquis LS
| VIN | 2MELM75W5S |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0402 | Excessive EGR System Excessive Flow Detected |
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