Car Surges at Idle in San Antonio Drive Thru Lines
A car surging at idle during extended Culebra Road drive thru waits traces to IAC valve hunting compounding over multiple minutes of brake-held idle, AC compressor cycling every 30 to 90 seconds in July heat, and throttle body carbon restriction above 1.0 mm narrowing the system’s compensation margin. RPM fluctuation of 150 to 300 RPM […]
