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Chevy Truck
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1991
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C 1500 Truck 2WD V8-454 7.4L
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Tools and Equipment
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Vacuum Pump With Gauge
Vacuum Pump With Gauge
Vacuum Pump With Gauge:
Use the gauge to monitor manifold engine vacuum and use the hand pump to check vacuum sensors, solenoids and valves. Use tool part number J 23738-A or equivalent.