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Home >> Isuzu >> 1988 >> Trooper II Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Evaporation System >> Component Testing >> Check & Relief Valve >> Pickup 2.3L

Pickup 2.3L

  1. Blow air into canister port and check that airflow is blocked. Blow air into air filter port and check that air flows out of fuel tank port and not out of canister port. Replace valve if it does not operate as outlined.
  2. Check and relief valve has 3 ports. Remove check and relief valve and blow air into valve. Air should pass from fuel tank port to canister port only. Replace valve if it does not operate as outlined.
Fig 1: Testing Check & Relief Valve (Pickup 2.3L)
G38537Courtesy of ISUZU MOTOR CO.
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