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1999 Mercury Cougar 2.5L MIL Lamp on
CODE P0401 EGR FLOW INSUFFICIENT I am thinking that the orifice which is located in the egr pipe between the dpfe hoses is at fault. It seems that the egr is working, however the dpfe voltage does not go up when the egr valve opens. even if I open the valve ma...
FIX posted 7/9/2009
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Message Closed w/FIX
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1ZWFT61LOX |
| Engine | 2.5 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always, Cruise |
Trouble Codes
| P0401 | EGR System Insufficient Flow Detected |
Message Closed w/FIX
Vehicle Data
1999 Mercury Cougar
| VIN | 1ZWFT61LOX |
| Engine | 2.5 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always, Cruise |
Trouble Codes
| P0401 | EGR System Insufficient Flow Detected |
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