Car Won’t Start After Fueling in San Antonio Summer Heat

A post-refueling no-start in San Antonio June heat traces to EVAP system vapor pressure imbalance from a leaking purge valve, saturated charcoal canister, or degraded fuel cap seal. The engine cranks at normal speed but does not fire because the intake charge is over-rich from fuel vapor bleed-through. The flooded-engine restart protocol confirms the diagnosis […]


