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Home >> Mitsubishi >> 2003 >> Lancer Evolution >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures >> Fuel System >> Fuel Pump Operation Check

Fuel Pump Operation Check

CAUTION: To prevent damage to the scan tool, always turn the ignition off before connecting or disconnecting it.
  1. Check the operation of the fuel pump by using Scan Tool (MB991502) to force-drive the fuel pump.
  2. If the fuel pump will not operate, see FUEL PUMP RELAY . If the fuel pump operation is normal, check the fuel pump drive circuit.
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