LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> SC 430 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> SFI System >> DTC P0128 Thermostat Malfunction >> Typical Malfunction Thresholds
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Typical Malfunction Thresholds

TYPICAL MALFUNCTION THRESHOLDS

Duration that both of following conditions (a) and (b) met 5 seconds or more
(a) Estimated ECT 75°C (167°F) or higher
(b) ECT sensor output Lower than 75°C (167°F)
scientia non olet · About LEMON Manuals