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Home >> Oldsmobile >> 1987 >> Custom Cruiser >> Repair and Diagnosis >> Engine Performance >> System >> Carburetor - ROCHESTER E4MC/E4ME >> Testing >> Hot Air Choke

Hot Air Choke

  1. Start and warm engine to normal operating temperature. Ensure choke valve fully opens. If valve does not fully open, check choke housing and hot air inlet to determine if sufficient heat is reaching choke coil.
  2. If choke housing and/or hot air inlet are cool, check for loss of vacuum to choke housing, restricted heat inlet in choke housing, restricted hot air inlet pipe or hose and restricted manifold choke heat stove passages. Repair or replace as required.