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Cadillac
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1999
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Catera V6-3.0L VIN R
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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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Description and Operation
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Fuel Supply Component Description
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Fuel Pump Relay
Fuel Pump Relay
The
fuel pump relay
allows the
ECM
to energize the
fuel pump
. The ECM enables the fuel pump whenever the
CKP sensor
pulses are detected.