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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 46 (ENGINE CONTROLS - REMOVAL, OVERHAUL & INSTALLATION)FUEL SYSTEMTHROTTLE BODYREMOVAL (ES300)
2004 Toyota Matrix XR, FWD, Standard

Removal (ES300)

2004 Toyota Matrix XR, FWD, StandardSECTION Removal (ES300)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 Lexus SC 430, 2002 Lexus RX 300, 2002 Lexus LX 470, 2002 Lexus LS 430, and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect negative battery cable. Drain coolant. Disconnect MAF sensor connector. Disconnect VSV connector for Canister Closed Valve (CCV) and air hose. Disconnect 4 vacuum hoses and ventilation hose. Remove air cleaner cap with hose. Remove front suspension center upper brace.
  2. Disconnect throttle position sensor connector. Disconnect throttle control motor connector. SeeFig 1. Disconnect 2 water bypass hoses. See Fig 2. Remove 4 bolts, throttle body and gasket. See Fig 3.
    Fig 1: Exploded View Of Throttle Body Assembly (ES300)
    G00131807Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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.