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1988 Nissan Sentra 1.6L Excessive Emissions, Poor Fuel Economy
Car runs rich all the time, fouling spark plugs. O2 sensor is operational and good signal getting to ECU. O2 voltage is )750mv + all the time after warmup but will drop if a large vacuum leak is created. Have checked TPS, fuel pressure, timing, pin voltage...
FIX posted 5/28/2000
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| VIN | 1N4PB21S7J |
| Engine | 1.6 L / 4 cyl |
| Emissions | Fed |
| Symptoms | Excessive Emissions, Poor Fuel Economy |
| Occurs | Always |
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Vehicle Data
1988 Nissan Sentra
| VIN | 1N4PB21S7J |
| Engine | 1.6 L / 4 cyl |
| Emissions | Fed |
| Symptoms | Excessive Emissions, Poor Fuel Economy |
| Occurs | Always |
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