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1995 Ford aerostar 4.0L Poor Fuel Economy
OXYGEN SENSOR LOCKED [...] OUT OF CLOSED LOOP.O2 MAPS O.K. WILL GO [...] NOT EXCESSIVE AROUND 2.2MS. COOLANT TEMP SEEMS [...] DIAPHRAM NOT [...] VACCUM ON [...] DATA SEEMS [...] PRESSURE DOES NOT DROP WITH ENGINE OFF LIKE LEAKING [...] LINE NOT PINCHED [...] V...
FIX posted 10/18/2000
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Message Closed
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| VIN | 1FMDA31X3S |
| Engine | 4.0 L / 6 cyl |
| Emissions | Not OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 173 | 02 locked rich |
Message Closed
Vehicle Data
1995 Ford aerostar
| VIN | 1FMDA31X3S |
| Engine | 4.0 L / 6 cyl |
| Emissions | Not OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 173 | 02 locked rich |
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