Engine Stall

Engine Stall After Start

• Check engine immobilizer system. See appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
• Check fuel pump control circuit. On all models except LX470, see FUEL PUMP CONTROL CIRCUIT under FUEL SYSTEM in appropriate SYSTEM & COMPONENT TESTING article. On LX470, perform DTC P1200: FUEL PUMP RELAY/ECU CIRCUIT test in SELF-DIAGNOSTICS - LX470 article.

Engine Stall During A/C Operation

• Check A/C compressor signal circuit. See appropriate AUTOMATIC A/C-HEATER SYSTEMS article in AIR CONDITIONING & HEATING.
• Check Electronic Control Module (ECM) connector for loose, damaged or corroded terminals and repair as necessary. If connector is okay, check ECM ground circuits. See appropriate wiring diagram in POWER DISTRIBUTION in WIRING DIAGRAMS article. Repair as necessary. If ground circuits are okay, replace ECM with a known-good ECM and retest.

Unable To Refuel Or Difficult To Refuel

• Check fuel Evaporation (EVAP) system. See FUEL EVAP SYSTEM TEST under EMISSION SYSTEMS & SUB-SYSTEMS in appropriate SYSTEM & COMPONENT TESTING article.