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Home >> Mazda >> 2021 >> CX-9 Signature >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> Fuel Injector Removal/Installation >> Fuel Injector Installation Note
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Fuel Injector Installation Note

CAUTION:
  • If engine oil is applied to the fuel injector, it could adhere to the injection holes and inhibit the fuel injector function. To prevent this, apply engine oil to the cylinder head side.
  1. Apply engine oil to the fuel injector installation holes.
  2. Insert the fuel injectors to the installation holes one by one, being careful of the direction the fuel injectors are pointed.
    G09074970Courtesy of MAZDA MOTORS CORP.
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