: This forum thread on Mighty Car Mods functions like an interactive blog post, documenting a 1989 ST171 project with specific advice on cooling systems, air pockets, and sensor troubleshooting.
: If you need to identify parts for your ST171 manual repair, BE FORWARD has a comprehensive Toyota Corona Parts Catalog including ECU modules and drivetrain components. Recommended Maintenance Schedule Toyota Corona St171 Service Manual
: If you are dealing with engine rough idle, the ST171 Vacuum Hose Diagram at JustAnswer provides a 3D representation of emissions and distributor connections. : This forum thread on Mighty Car Mods