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2001 Chevrolet Impala 3.4L MIL Lamp on
Hi I have 2001 Chevy Impala 3.4L with a code #PO401 EGR flow Insufficient Detected, a EGR valve has been replaced twice no vacuum restriction or leaks are found on it wiring harness appears ok after clear codes the PO401 code appears under 39 to 41 mph. during...
FIX posted 3/3/2009
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Message Closed w/FIX
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18 Replies Received
18 Replies Received
Related Documents & Media | VIN | 2G1WF52E51 |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | On Decel |
Message Closed w/FIX
Vehicle Data
2001 Chevrolet Impala
| VIN | 2G1WF52E51 |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | On Decel |
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