Ford P0371 OBD-II Trouble Code Definition: P0371 Timing Reference High Resolution Signal A Too Many Pulses P0371 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0371 Timing Reference High Resolution Signal “A” Too Many Pulses What does the code mean? OBD-ii Code P0371 definition: The optical sensor provides a high resolution signal to the Powertrain Control Module […]