Operation CHARM
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Mercury
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1990
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Grand Marquis V8-351 5.8L
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Repair and Diagnosis
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Maintenance
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Filters
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Fuel Filter
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Service and Repair
Fuel Filter: Service and Repair
Fuel Filter
replace every 30,000 miles
Fuel Lines
inspect every 30,000 miles
For other
maintenance
intervals see
MAINTENANCE SCHEDULES
.