Why Broadway Traffic Destroys GDI Engine Starters

Technician using an oscilloscope to diagnose a GDI engine starter problem during hot-start testing in Tucson conditions

Constant stop-and-go driving on Broadway Blvd subjects Gasoline Direct Injection (GDI) engine starters to severe thermal stress. The high compression ratios of these engines, combined with Tucson’s extreme summer temperatures, accelerate pinion gear wear and solenoid failure. Identifying voltage drops early and verifying engagement timing prevents catastrophic damage to the flexplate and ensures reliable operation […]