There are 11 owner-reported engine complaints for the 2007 Toyota Yarisin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2007 TOYOTA YARIS. THE CONTACT STATED THAT THE ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS 87,000.
EXPERIENCED FAILURE OF EMISSIONS EVAP SYSTEM DUE TO WATER INTRUSION THROUGH POORLY DESIGNED COMPONENTS. CHECK ENGINE LAMP (CEL) ILLUMINATED CONSTANT ON DURING HIGHWAY TRAVEL. STORED DTCS OF P043E, P043F, P2401, P2402, AND P2419. INTERNET SEARCH REVELED EXISTING ISSUE IN TSB EG048-07 WHICH NOTES WATER ENTERS FILLER PIPE COVER, CONTAMINATES CANISTER FILTER, THEN DAMAGES THE EVAP PUMP LOCATED IN CHARCOAL CANISTER. REPAIR REQUIRES AN UPDATED FILLER COVER ($6), REPLACEMENT OF FILTER ($50), NEW CANISTER ($600), PLUS 0.5HR OF LABOR CHARGES. APPLICABLE WARRANTY IS 3YEAR/36000MILES. DURING REPAIR REPLACED FILLER COVER, FILTER, THEN CLEANED ENTIRE SYSTEM OF WATER. NOTE: THIS YARIS WAS ALREADY BUILT USING THE UPDATED FILLER COVER P/N. YARIS FAILED THE FOLLOWING TEST DRIVE DONE IN ATTEMPT TO AVOID EXPENSIVE CANISTER REPLACEMENT. FOLLOWED TOYOTA SERVICE MANUAL TO TROUBLESHOOT CANISTER WHICH LEAD TO PERMANENT DAMAGE. THREE BOLTS ATTACH THE PUMP VALVE TO THE CANISTER VIA PLASTIC THREADED INSERTS. THESE INSERTS STRIPPED INSIDE THE PLASTIC, RENDERING THE CANISTER UNUSABLE. REPLACING WITH NEW CANISTER AND RETESTING FOR REPAIR. THIS PORTION OF THE EMISSIONS SYSTEM IS RELATED TO A MANDATED REQUIREMENT. THIS FAILURE SHOULD BE COVERED UNDER THE LONGER TERM EMISSIONS WARRANTY PERIOD AND NOT THIS SHORTER TERM PERIOD. FAILURE OF A $6 COMPONENT RESULTING IN VICTIM FAILURES OF $650 IN ADDITIONAL COMPONENTS IS IRRITATING TO THE CONSUMER AND IRRESPONSIBLE OF THE MANUFACTURER. CUSTOMER HAS ALREADY NOTED THAT THIS EVENT WILL AFFECT (NEGATIVELY) FUTURE VEHICLE PURCHASE DECISIONS. NOTE: THIS FAILURE DOES NOT SEEM TO AFFECT MPG OR OPERATION BUT DOES ILLUMINATE THE CEL. CONSUMERS MIGHT OPERATE W/O REPAIR WHICH WILL CONDITION THEM TO ACCEPT AN ILLUMINATED CEL. THEY MIGHT NOT BE NOTIFIED OF OTHER OBD MALFUNCTIONS AND PARTIALLY DISABLED EMISSIONS CONTROL SYSTEM. *TR
I WAS DRIVING HOME FROM WORK WHEN THE BATTERY LIGHT CAME ON WHEN I PULLED INTO MY DRIVE WAY. I SMELLED SOMETHING BURNING AND THERE WAS SMOKE COMING FROM UNDER THE HOOD OF MY 2007 YARIS. I POPPED THE HOOD AND THE ALTERNATOR WAS ON FIRE. I POURED WATER ON IT TO PUT IT OUT AND DISCONNECTED THE BATTERY. IT WAS STILL MAKING AN ODD SOUND SO I POURED SOME MORE WATER ON IT AND IT STARTED SMOKING AGAIN. *TR
EXPERIENCED FAILURE OF EMISSIONS EVAP SYSTEM DUE TO WATER INTRUSION THROUGH POORLY DESIGNED COMPONENTS. CHECK ENGINE LAMP (CEL) ILLUMINATED CONSTANT ON DURING HIGHWAY TRAVEL. STORED DTCS OF P043E, P043F, P2401, P2402, AND P2419. INTERNET SEARCH REVELED EXISTING ISSUE IN TSB EG048-07 WHICH NOTES WATER ENTERS FILLER PIPE COVER, CONTAMINATES CANISTER FILTER, THEN DAMAGES THE EVAP PUMP LOCATED IN CHARCOAL CANISTER. REPAIR REQUIRES AN UPDATED FILLER COVER ($6), REPLACEMENT OF FILTER ($50), NEW CANISTER ($600), PLUS 0.5HR OF LABOR CHARGES. APPLICABLE WARRANTY IS 3YEAR/36000MILES. DURING REPAIR REPLACED FILLER COVER, FILTER, THEN CLEANED ENTIRE SYSTEM OF WATER. NOTE: THIS YARIS WAS ALREADY BUILT USING THE UPDATED FILLER COVER P/N. YARIS FAILED THE FOLLOWING TEST DRIVE DONE IN ATTEMPT TO AVOID EXPENSIVE CANISTER REPLACEMENT. FOLLOWED TOYOTA SERVICE MANUAL TO TROUBLESHOOT CANISTER WHICH LEAD TO PERMANENT DAMAGE. THREE BOLTS ATTACH THE PUMP VALVE TO THE CANISTER VIA PLASTIC THREADED INSERTS. THESE INSERTS STRIPPED INSIDE THE PLASTIC, RENDERING THE CANISTER UNUSABLE. REPLACING WITH NEW CANISTER AND RETESTING FOR REPAIR. THIS PORTION OF THE EMISSIONS SYSTEM IS RELATED TO A MANDATED REQUIREMENT. THIS FAILURE SHOULD BE COVERED UNDER THE LONGER TERM EMISSIONS WARRANTY PERIOD AND NOT THIS SHORTER TERM PERIOD. FAILURE OF A $6 COMPONENT RESULTING IN VICTIM FAILURES OF $650 IN ADDITIONAL COMPONENTS IS IRRITATING TO THE CONSUMER AND IRRESPONSIBLE OF THE MANUFACTURER. CUSTOMER HAS ALREADY NOTED THAT THIS EVENT WILL AFFECT (NEGATIVELY) FUTURE VEHICLE PURCHASE DECISIONS. NOTE: THIS FAILURE DOES NOT SEEM TO AFFECT MPG OR OPERATION BUT DOES ILLUMINATE THE CEL. CONSUMERS MIGHT OPERATE W/O REPAIR WHICH WILL CONDITION THEM TO ACCEPT AN ILLUMINATED CEL. THEY MIGHT NOT BE NOTIFIED OF OTHER OBD MALFUNCTIONS AND PARTIALLY DISABLED EMISSIONS CONTROL SYSTEM. *TR
RECURRENT ACCELERATOR PEDAL FAILURE (DRIVE BY WIRE) WITH CHECK ENGINE LIGHT WARNING. OCCASIONALLY, WHEN ACCELERATING, THE CHECK ENGINE LIGHT COMES ON AND THE PEDAL DEPRESSING ACTION INITIALLY HAS NO EFFECT FOR SEVERAL DEPRESSIONS AND THEN IT WORKS MINIMALLY. THIS MAY LAST FOR A WHILE OR FOR JUST A SHORT PERIOD. IT HAS HAPPENED SEVERAL TIMES. I DID A SEARCH ONLINE AND OTHER PEOPLE ARE HAVING THE SAME PROBLEM. *KB
TL* THE CONTACT OWNS A 2007 TOYOTA YARIS. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE BEGAN TO DECELERATE AND WOULD NOT RESPOND WHEN THE ACCELERATOR WAS ENGAGED WITH THE ILLUMINATION OF THE CHECK ENGINE WARNING LIGHT. THE CONTACT WAS ABLE TO DRIVE THE VEHICLE TO THE DEALER WHERE THE TECHNICIANS ADVISED THAT THE TIMING GEAR HAD FAILED AND WOULD NEED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE WAS MILEAGE 2,000. THE VIN WAS NOT AVAILABLE.
EXPERIENCED FAILURE OF EXHAUST SYSTEM DUE TO POOR CONNECTION JOINT AND GASKET DESIGN. INTERNET SEARCH REVELED OTHER FAILURES OF EXHAUST GASKET MATERIAL BUT NO TSB WAS FOUND. ENGINE OPERATION RESULTS IN MOVEMENT OF EXHAUST JOINT WHICH WEARS AT THE GASKET MATERIAL. THIS OPERATIONAL WEAR AND EXHAUST HEAT BREAKS DOWN THE GASKET MATERIAL DEVELOPING AN EXHAUST LEAK PRODUCING AN AUDIBLE NOISE AND IN-CABIN SMELL COMPLAINT. THE NOISE IS MOST AUDIBLE DURING ACCELERATION BUT THE IN-CABIN EXHAUST SMELL IS MORE CONSTANT. REPAIR REQUIRES A NEW EXHAUST GASKET ($30), NEW BOLTS ($5), NEW TENSION SPRINGS ($5), PLUS 0.5HR OF LABOR CHARGES. PARTS REPLACED AND TEST DRIVE CONFIRMED COMPLETE REPAIR. NONE OF THE PARTS ARE UPDATED FROM ORIGINAL SO IT IS EXPECTED THAT THIS FAILURE WILL RETURN IN TIME. THERE IS CONCERN THAT THE LEAKING EXHAUST GASES ARE ENTERING THE CABIN WHICH COULD BE A CONTAMINATE RISK FOR THE DRIVER AND OCCUPANTS. FAILURE OF THIS SIMPLE COMPONENT IS IRRITATING TO THE CONSUMER AND IRRESPONSIBLE OF THE MANUFACTURER. CUSTOMER HAS ALREADY NOTED THAT THIS EVENT WILL AFFECT (NEGATIVELY) FUTURE VEHICLE PURCHASE DECISIONS. NOTE: THIS FAILURE DOES NOT ILLUMINATE THE CHECK ENGINE LAMP (CEL). *TR
A/C DRAIN LINE GETS CLOGGED AND DRAINS WATER ON FLOOR. HAVE TAKEN LINE OFF AND CLEANED SEVERAL TIMES. PROBLEM RETURNS. *TR
PASSENGER SIDE OF VEHICLE HAS A LEAK WHEN THE AIR CONDITIONER IS USED. TOOK TO THE DEALER AND WAS CHARGED APPROXIMATELY $200 TO FIX SAID PROBLEM. LESS THAN A MONTH LATER THE ISSUE IS HAPPENING AGAIN. SEEMS TO BE MORE THAN ONE ISSUE OF THIS OCCURING. *TR
TL* THE CONTACT OWNS A 2007 TOYOTA YARIS. THE CONTACT STATED THAT THE SERPENTINE BELT SLIPPED AND BECAME LOOSE. THE FAILURE RECURRED ON SEVERAL OCCASIONS. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE BELT WAS TIGHTENED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 15,000. THE VIN WAS UNAVAILABLE.
WHEN THE ENGINE IS RUNNING IT WILL ACCELERATE AND DECELERATE BY ITSELF WITHOUT ME EVEN TOUCHING THE GAS PEDAL. THERE DOESN'T SEEM TO BE ANY PATTERN AS THIS HAPPENS RANDOMLY - WHEN I AM DRIVING ALONG, SLOWING DOWN TO TURN A CORNER, WHEN I AM STOPPED, BASICALLY AT ANY TIME. DEALERSHIP CAN'T FIX IF THEY DON'T SEE THE PROBLEM HAPPENING. HAS HAPPENED RANDOMLY OVER THE LAST 3 YEARS AT LEAST 20 TIMES. LAST TIME WAS 1/21/10. NO MATS IN VEHICLE FOR PEDAL TO STICK AND PEDAL IS NOT STICKING. HAPPENS WHEN DON'T EVEN TOUCH PEDAL IN NEUTRAL ENGINE REVS UP. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on May 4, 2026