NHTSA Complaint #10845644 — 2012 HYUNDAI SANTA FE

ALL EVENTS OCCURRED WHILE VEHICLE WAS STATIONARY.BEGAN TO HAVE A INTERMITTENT NO START CONDITION AROUND THE THIRD WEEK OF JANUARY 2016. THETA 2.4 ENGINE #165130 WOULD NOT TURN OVER. A JUMP START WITH 2ND VEHICLE BATTERY SUPPLY AND JUMPER CABLES WERE NEEDED FOR ENGINE TO RUN.TESTED THE BATTERY VOLTAGE OUTPUT ON SANTA FE WITH ENGINE COLD 12.65 AND ENGINE RUNNING 13.96 TO 14.02 RANGE ALL STARTING AND CHARGING COMPONENTS WERE OPERATING IN NORMAL CONDITIONS AND NO CHECK ENGINE OR BATTERY INDICATORS ILLUMINATING. NO SIGNS OF ENGINE MALFUNCTION WAS EVIDENT. ON 01/29/2016 AFTER HAVING TWO MORE NO STARTS WENT AHEAD AND REPLACED THE BATTERY WITH BRAND NEW ONE. ENGINE WOULD CRANK BUT NOT START.TESTED VOLTAGE ON BATTERY, ALTERNATOR, STARTER,IGNITION AND FUEL PUMP RELAYS. HAD SPARK ON ALL COILS AND FUEL. AIR FILTER WAS NEW. FELT CONFIDENT THERE WAS NO NEED TO CHECK COMPRESSION AS THERE WERE NO MECHANICAL SIGNS PRESENT. AT CERTAIN TIMES SOME ENGINE COMPONENTS DUE WEAR OUT SO I HAD A MECHANIC INSPECT THE ENGINE AND ASKED HIM TO REPLACE THE CRANKSHAFT SENSOR. ENGINE WOULD NOT TURNOVER AFTER SEVERAL ATTEMPTS AND HE COULD NOT DETERMINE THE CAUSE. ON 01/30/2016 CONNECTED MY OBD2 AND GOT A TOTAL OF 11 CODES, P0445,261,267,270,264,448. FIVE OUT OF FIRST ELEVEN WERE DISPLAYED TWICE EXCEPT P0448.I HAD THE CAR TOWED TO A HYUNDAI AUTHORIZED SERVICE DEPT ON 02/02/2016 THE SERVICE ADVISER AT FRANK HYUNDAI ADVISED ME HIS MECHANIC PERFORMED A COMPRESSION AND LEAK DOWN TEST AND INFORMED ME ENGINE HAD LOW COMPRESSION IN 3 OUT OF 4 CYLINDERS WITH ACTIVE CODES P0223 P0445 AND P2106.ONE CYLINDERS WAS SAID TO BE BLOWING AIR UP TOWARDS VALVE COVER.I WAS TOLD THEY SUSPECTED PISTON RINGS OR CYLINDER HEAD WAS CAUSE OF ENGINE FAILURE.HAD CAR TOWED HOME. AFTER FINDING BLOWN FUSE I WAS ABLE TO START CAR BUT SHUT IT DOWN IMMEDIATELY FROM LOUD NOISE COMING FROM VALVE TRAIN ROTATING ASSEMBLY.UNKNOWN SYMPTOMS.