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Home >> Toyota >> 2000 >> 4Runner Base, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - System & Component Testing - 4-Cylinder >> Emission Systems & Sub-Systems >> EGR Valve >> Camry CNG & Gasoline Models, Camry Solara, RAV4, Tacoma 2.4L 2RZ-FE Except Calif. Emission Vehicles, Tacoma 2.7L 3RZ-FE & 4Runner

Camry CNG & Gasoline Models, Camry Solara, RAV4, Tacoma 2.4L 2RZ-FE Except Calif. Emission Vehicles, Tacoma 2.7L 3RZ-FE & 4Runner

  1. Remove EGR valve. See EGR VALVE under EMISSION SYSTEMS & SUB-SYSTEMS in REMOVAL, OVERHAUL & INSTALLATION - 4-CYLINDER article.
  2. Inspect EGR valve for restricted passages caused by carbon deposits. Using vacuum pump, apply vacuum directly to EGR valve and ensure valve opens. Release vacuum and ensure valve closes. Replace EGR valve if defective.
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