: For complex issues like ECU diode failures or distributor troubleshooting specifically on the 1988 ST171 GLXi, experts at JustAnswer have archived detailed diagnostic walkthroughs that serve as effective "how-to" articles.
: 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. Toyota Corona St171 Service Manual
: For the official factory manual, Toyota offers a subscription-based service where you can download the exact service and repair publications for older models. Specific Component Guides : For complex issues like ECU diode failures
If you cannot find the full manual, follow these standard intervals for the ST171's 3S-FE or 4S-FE engines: Toyota Manuals and Warranties | Toyota Owners Toyota Corona St171 Service Manual