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Home >> Daihatsu >> 1988 >> Charade CSX, G100 >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System >> Testing >> Injectors >> In-Vehicle Inspection
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In-Vehicle Inspection

  1. Using a stethoscope or screwdriver, listen or feel for each injector emitting and operating sound when engine is being starter or cranked. If injector emits no operating sound or emits an abnormal sound, check wiring connector or injector.
  2. To measure injector resistance, disconnect battery negative cable. Drain coolant. Remove accelerator cable from throttle body. Remove air cleaner hose from throttle body. Remove brake booster hose from surge tank.
  3. Disconnect vacuum hoses from following parts: air cleaner, atmospheric pressure VSV, pressure regulator, BVSV, A/C, fast idle device and blow-by-pass hose.
    NOTE: Before disconnecting hoses, put a tag on each hose so hoses may be install correctly at original position during installation.
  4. Disconnect connector for following parts: idle-up VSV, EGR VSV, intake air temperature sensor, TPS and cold start injector and delivery pipe. Remove surge tank stay, Remove wiring clamp bolt at back of surge tank. Remove EGR pipe and surge tank.
  5. Disconnect injector connector. Measure resistance between terminals of each injector. Resistance should be 1.5-3.0 ohms. If resistance between terminals is not correct, replace injector.
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