S10/T10 P/U 4WD L4-151 2.5L (1985)
Idle Speed: Tools and Equipment
Installing J-33047
RECOMMENDED TOOLS FOR ADJUSTING MINIMUM AIR RATE
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J-33047, used for blocking air flow through the Idle Air Control valve.
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Number 20 Torx Bit (R), used for adjusting Throttle Stop Screw.
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Tachometer.