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2000 Chevrolet Impala 3.4L MIL Lamp on
Car came in with po401. Relaced EGR, no help. Replaced MAP sensor, no help. Ckecked for blockage in EGR port, found none. When comand EGR open with scaner Idle goes to poor as normal, and MAP voltage goes up as normal. Can find no blockage in pipe going to EGR...
FIX posted 12/2/2004
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Message Closed w/FIX
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15 Replies Received
15 Replies Received
Related Documents & Media | VIN | ZG1WF55E4Y |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | On Decel |
Trouble Codes
| P0401 | EGR System Insufficient Flow Detected |
Message Closed w/FIX
Vehicle Data
2000 Chevrolet Impala
| VIN | ZG1WF55E4Y |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | On Decel |
Trouble Codes
| P0401 | EGR System Insufficient Flow Detected |
Video