Mazda Trucks 1972-1986 Repair Guide

Cold Start Device

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ADJUSTMENT



See Figures 1 and 2

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Fig. Fig. 1: Cold start device adjusting screw location



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Fig. Fig. 2: Fast idle control device schematic

  1. Disconnect the cable from the advance lever on the pump.
  2.  
  3. Pull the control knob under the dash to the full out position.
  4.  
  5. Connect a tachometer to the engine.
  6.  
  7. Start the engine and push the advance lever all the way to the stopper. Connect the cable.
  8.  
  9. Turn the adjusting screw until engine speed is 1,150-1,250 rpm.
  10.  

 
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