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HOMESERVICE MANUALSMERCURY1991TRACER BASE, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 100 (ENGINE CONTROLS - REMOVE/INSTALL/OVERHAUL - 4.6L)FUEL SYSTEMINJECTORSREMOVAL & INSTALLATION
1991 Mercury Tracer Base, 4D Sedan, Automatic

Removal & Installation

1991 Mercury Tracer Base, 4D Sedan, AutomaticSECTION Removal & Installation
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1995 Mercury Grand Marquis, 1995 Mercury Cougar, 1995 Lincoln Town Car, 1995 Lincoln Mark VIII, and 1995 Lincoln Continental. However, it is still accessible from the selected car via links, so may be relevant.

Remove fuel rail from intake manifold. See FUEL RAILS. Remove fuel injectors from fuel rail by rocking injectors while pulling injector from fuel rail. Lubricate new "O" rings with clean engine oil. Install new "O" rings on injectors. Inspect injector "plastic hat" (covering the injector pintle) and washer for deterioration. Replace as necessary.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.