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Engine Controls - Basic Diagnostic Procedures: Overview Mitsubishi Lancer IX

Testing & Diagnostics

FUEL PUMP OPERATION CHECK

CAUTIONTo 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»(ref-157284-S30032305372003081100000). If the fuel pump operation is normal, check the fuel pump drive circuit.

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