NHTSA Complaint #10749719 — 2006 HONDA CIVIC

VEHICLE BEGAN TO OVERHEAT AT LOW SPEED. CEL CAME ON AND STARTED BLINKING AND VEHICLE WENT INTO "LIMP MODE". VEHICLE COULD NOT GO OVER 10MPH. CAR RETURNED HOME AND CODE INDICATED MISFIRE IN 3RD CYLINDER. COOLANT WAS EXTREMELY LOW AND A SMALL AMOUNT OF SMOKE/STEAM COULD BE SEEN COMING FROM TAILPIPE. PRESSURE TEST OF COOLANT SYSTEM REVEALED LEAKS IN ALL CYLINDERS (PRIMARILY C3). COMPRESSION TEST INDICATED CRACK IN HEAD (NEAR INTAKE). POSSIBILITY DUE TO OVERHEATING AND WARPING OF HEAD. CALLED HONDA AMERICA TO VERIFY THAT ISSUES IS COVERED UNDER WARRANTY (SPECIFICALLY TSB 10-048). HONDA AMERICA DENIED WARRANTY BECAUSE THE TSB ONLY COVERS SPECIFIC EXTERNAL CRACKS IN THE ENGINE BLOCK. THE CRACKS ON THIS VEHICLE WERE LIKELY INSIDE THE HEAD, POSSIBLY INSIDE OF CYLINDER. CAUSE OF INITIAL OVERHEATING REMAINS UNIDENTIFIED. HONDA AMERICA MAINTAINS THAT THIS WARRANTY IS SPECIFIC TO EXTERNAL CRACKS.