Operation CHARM
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Pontiac
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1989
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Grand AM L4-121 2.0L
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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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Specifications
Fuel Pump: Specifications
FUEL PRESSURE
:
Ignition ON Engine OFF
245-256 kPa (35-38 psi)
At idle with fuel pressure regulator
vacuum line connected
190-200 kPa (27-29 psi)