• Saves time when trouble shooting,
• Pinpoints noise and location
• Amplifies sound while shutting out surrounding noise
• Non-conductive microphone will not zap computer circuitry
• Flexible shaft reaches the tightest areas
• Pinpoints noise and location of worn bearings & bushings, noisy valves & lifters, broken or worn gear teeth, faulty fuel injectors, wind or air leaks, annoying squeaks and rattles