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1985 Jaguar XJ6 4.2L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
when engine is started cold, runs very rough, black smoke from tailpipe, after driven a few miles, runs better, but still gets bad mpg. we jumped coolant sensor terminals, and for 3 weeks vehicle started and ran great, got good mpg, but 2 days ago symptoms...
FIX posted 6/2/2000
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| VIN | SAJAV1344F |
| Engine | 4.2 L / 6 cyl |
| Emissions | CA EMISS |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
| Occurs | Cold, Hot |
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Vehicle Data
1985 Jaguar XJ6
| VIN | SAJAV1344F |
| Engine | 4.2 L / 6 cyl |
| Emissions | CA EMISS |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
| Occurs | Cold, Hot |
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