Question
Why is actuator testing critical in diagnostics?
Answer
It confirms mechanical and electrical integrity simultaneously.
Explain
Actuator commands test whether components like EGR valves, throttle bodies, and VVT solenoids react correctly. CHEPQ diagnostic scanners send precise control signals, allowing technicians to evaluate response time, movement, and feedback. This differentiates mechanical failure from wiring or control-module issues.
Recommended Diagnostic Solutions
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