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Home >> Mazda >> 1996 >> Millenia Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls - System/Component Tests - 2.3L) >> Fuel System >> Fuel Control >> Injector Fuel Leakage

Injector Fuel Leakage

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  1. Relieve fuel system pressure. See BASIC TESTING - 2.3L article. Remove air valve or dynamic chamber as necessary. Remove delivery pipe with hoses still connected. Remove fuel injectors. If necessary, secure injectors tightly onto delivery pipe using wire.
    CAUTION: Ensure injectors are securely tied to delivery pipe. If injectors are not properly secured to delivery pipe, fuel may spray from loose connections.
  2. Connect a jumper wire between terminals F/P and GND of diagnostic connector located near battery. See Fig 1 . Turn ignition on. Ensure no fuel leakage exists at injectors. After one minute, a single drop of fuel is acceptable. If fuel excessive leakage is present, replace faulty injector.
Fig 1: Identifying Diagnostic Connector Terminals
G92A24992Courtesy of MAZDA MOTORS CORP.
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