WHILE DRIVING, THE CEL (CHECK ENGINE LIGHT) CAME ON AND THE VSC TRAC AND VSC OFF LIGHTS CAME ON AS WELL. APPARENTLY TOYOTA DISABLES VSC WHEN THE CEL IS TRIGGERED. IN MY CASE, THE 2 TIMES IT HAS OCCURRED HAS BEEN DUE TO EMISSIONS RELATED FAILURES (1ST TIME THE CAT FAILED, 2ND TIME ONE OF THE O2 SENSORS FAILED). IN THE 1ST CASE, I IMMEDIATELY TOOK THE VEHICLE TO THE DEALERSHIP AS I WAS APPROACHING THE END OF THE EMISSIONS WARRANTY. THEY MADE THE REPAIRS AND CLEARED ALL THE CODES SO WASN'T AWARE THAT THE VSC SYSTEM WAS ACTUALLY DISABLED. THE 2ND TIME (O2 FAILURE) I REPLACED THE FAILED O2 SENSOR, THE CEL HAS CLEARED, HOWEVER THE VSC LIGHTS ARE STILL ON AND VSC IS DISABLED. I HAVE SERIOUS CONCERNS THAT TOYOTA DISABLES KEY SAFETY SYSTEMS DUE TO EMISSIONS RELATED FAILURES ESPECIALLY GIVEN THE INHERENT STABILITY PROBLEMS WITH SUV'S. IF I'M ON A TRIP WITH MY FAMILY AND AN O2 SENSOR FAILS, OR A CATALYTIC CONVERTER FAILS, OR THE GAS CAP FAILS, KEY SAFETY SYSTEMS THAT HELP KEEP MY FAMILY AND I SAFE SHOULD NOT BE DISABLED! I THINK THIS DESERVES AN INVESTIGATION. *TR
1995
ENGINE AND ENGINE COOLING
TL*THE CONTACT OWNS A 1995 TOYOTA 4RUNNER. THE CONTACT LOST COOLANT, WHEN IT WAS COLD A WHITE VAPOR COMING FROM THE MUFFLER. AAA TESTED THE VEHICLE, AND FOUND 800 HYDROCARBONS IN THE RADIATOR. TOYOTA WAS NOTIFIED, AND STATED THAT THE HEAD GASKET, AND A DEFECTIVE SPARK PLUG WAS THE CAUSE OF THE FAILURE. THE MOST RECENT FAILURE OCCURRED JANUARY 15, 2007. THE FAILURE MILEAGE WAS 102,000 AND THE CURRENT MILEAGE WAS 103,200. *AK UPDATED 05/23/07. *JB