Operation CHARM
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Mercury
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1988
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Topaz FWD L4-140 2.3L HSC (VIN X)
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Fuel Pump
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Fuel Pressure
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Specifications
Fuel Pressure: Specifications
Key On Engine Off
50-60 Pound Per Square Inch (psi)
Key On Engine Running
45-60 Pound Per Square Inch (psi)