Chevy Suburban P0320: Meaning, Causes, & Diagnosis
P0320 is a relatively common ignition-related trouble code. P0320 indicates that your Chevy Suburban’s ignition/distributor engine speed circuit is malfunctioning. P0320 is most likely caused by the engine speed sensor, or a wiring issue. P0320 Definition: Ignition/Distributor Engine Speed – Input Circuit Nearly all modern vehicles, including the Chevy Suburban, use individual coil packs which … Read more