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1998 Subaru Outback 2.5L MIL Lamp on
This car will set a code PO400, [EGR flow error] every few days. The EGR valve is getting a good vacuum signal, the valve opens and the passages are clear. The Alldata shows there to be a EGR temperture sensor as a means of measuring the EGR flow, however ther...
FIX posted 11/9/2002
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Message Closed w/FIX
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| VIN | [No VIN Available] |
| Engine | 2.5 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0400 | Exhaust Gas Recirculation System Flow Malfunction |
Message Closed w/FIX
Vehicle Data
1998 Subaru Outback
| VIN | [No VIN Available] |
| Engine | 2.5 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0400 | Exhaust Gas Recirculation System Flow Malfunction |
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