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Home >> Isuzu >> 1987 >> Trooper II Base, 2D Utility, 2.2 U >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Evaporation System >> Component Testing >> Canister Purge Control Valve >> Impulse
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Canister Purge Control Valve: Impulse

  1. With ignition switch in "OFF" position, remove evaporation hose at common chamber and blow into hose. See Fig 1 . Hose must be free of obstructions and air must flow into canister. Reconnect hose to common chamber.
  2. With engine running at idle, remove vapor hose to fuel tank at canister. Vacuum must not be present at canister's purge air port and port to fuel tank. Replace valve if it does not operate as outlined.
Fig 1: Testing Purge Control Valve (Impulse)
G38538Courtesy of ISUZU MOTOR CO.
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