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Fuel Injector Inspection

WARNING: This page is about a different car, the 2002 Hyundai XG350, 2002 Hyundai Sonata, 2002 Hyundai Santa Fe, 2002 Hyundai Elantra, and 2002 Hyundai Accent. However, it is still accessible from the selected car via links, so may be relevant.
  1. Warm up engine and let idle. Using screwdriver or stethoscope, listen to each injector. Clicking sound should be heard. If no sound is heard, measure resistance of suspected fuel injector. See FUEL INJECTOR RESISTANCE SPECIFICATIONS  table. Replace injectors that do not meet specification. To replace fuel injectors, see appropriate FUEL DELIVERY PIPE & FUEL INJECTORS under FUEL SYSTEM in REMOVAL, OVERHAUL & INSTALLATION article. If injectors are okay and no operational sound is heard, go to next step.
  2. Check wiring to injectors for open or short, repair as necessary. Ensure electrical connectors fit tightly and are not corroded. For circuit testing, see WIRING DIAGRAMS article.
FUEL INJECTOR RESISTANCE SPECIFICATIONS

Application At 68°F (28°C)
Accent & Elantra 15.65-16.35 Ohms
Santa Fe, Sonata & XG350 13-16 Ohms
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