Problems · by component

2007 Scion TC engine problems

32 owner complaints to NHTSA about the 2007 Scion TC cite engine, 27% of all 117 complaints for this model year.

Complaints
32
27% of all complaints
Crashes
0
Reported by owners
Fires
2
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the engine

Verbatim from NHTSA complaints, newest first
“When I bought this car, there was a couple recalls within 5 years of owning. One was fixed. The second was an oil consumption issue that my car passed by 100 miles and I was told it would not be covered. For the last few years the oil consumption has gotten worse. I have to put oil in the car when the light comes on, which is anywhere between 1k and 2k miles. As I'm driving, it can smell of burning, or start shaking, etc.”
Owner complaint to NHTSAFiled Mar 30, 2025EngineODI 11651587
“CAR DRINKING OIL, PISTON RING FINALLY DROPPED. I WAS DRIVING AND MY CAR STARTED A ROUGH IDLE THEN STARTED KNOCKING SO I PULLED OVER. THEY'RE RUNNING TESTS NOW BUT I'M NO DUMMY, THIS IS A PISTON ISSUE. I BROUGHT MY CAR IN DURING THE MANUFACTURER SUGGESTED WINDOW TO GET THIS LOOKED AT ON MULTIPLE OCCASIONS AND THEY TOLD ME MY CAR WAS ASYMPTOMATIC DESPITE ME EXPLAINING THAT IT WAS DRINKING EXCESSIVE OIL. IF MY CAR ENGINE IS RUINED BECAUSE OF THIS TOYOTA WILL BE PAYING FOR MY NEW MOTOR OR ONE OF THEIR 2 DEALERSHIPS THAT KEPT INSISTING I WAS CRAZY WILL BE PAYING FOR THAT NEW MOTOR. I'VE HAD THE CAR SINCE IT WAS BRAND NEW WITH ALL THE SERVICE RECORDS TO PROVE THAT THIS SHOULD NOT HAPPEN.”
Owner complaint to NHTSAFiled Jun 12, 2019EngineODI 11219439
“THE ENGINE IN THIS CAR WHICH IS THE 2AZ-FE HAS DEFECTIVE PISTON RINGS WHICH CAUSES THE ENGINE TO BURN AN INSANELY AMOUNT OF OIL. I LITERALLY HAVE TO ADD AT LEAST A QUART OF OIL A WEEK AND I BEEN DOING SO TWO YEARS ALREADY. I BELIEVE THAT'S NOT NORMAL AT ALL. CONTACTED TOYOTA TO NOTIFY THEM ABOUT THE ISSUE, AND CLAIMED THAT 'VEHICLE WAS OUT OF THE 10 YEAR OR 150,000 MILE WARRANTY'. I'M SO DISAPPOINTED AT TOYOTA FOR THAT. THEY ALSO HAD A PERIOD IN WHICH YOU COULD TAKE YOUR VEHICLE, BUT FAILED TO NOTIFY THEIR CUSTOMERS.”
Owner complaint to NHTSAFiled May 22, 2019EngineODI 11209384
“HI ALL, IAM THE OWNER OF SCION TC 2007 SINCE 2015 AND USING THIS VEHICLE TO COMMUTE TO WORK AND HOME. I HAVE BEEN EXPERIENCING MASSIVE AMOUNT OF OIL CONSUMPTION RIGHT AFTER I BOUGHT THE CAR. I HAVE TO PUT 1 OR 2 QUART OF SYNTHETIC OIL AFTER EVERY 1500 MILES OR SO, IT COST ME ALOT MORE THAN AVERAGE. PLEASE HELP ME REGARDING THIS ISSUE. THANKS AND REGARDS . ALI”
Owner complaint to NHTSAFiled Oct 2, 2018EngineODI 11132867
“VEHICLE BURNING OIL AT INCREASINGLY FAST RATE, LARGE OIL CONSUMPTION. NO OIL LIGHT OR DASHBOARD WARNING. AS I WAS DRIVING DOWN THE HIGHWAY MY CAR SHUT DOWN... I PULLED OVER TO THE SHOULDER GOT OUT...MY CAR WAS SMOKING... WITHIN MINUTES MY CAR WAS IN FLAMES.”
Owner complaint to NHTSAFiled Jul 10, 2018Structure, Engine, Fuel/propulsion systemFire reportedODI 11110452
“MY 2007 TC HAS A VERY LARGE OIL CONSUMPTION PROBLEM TO THE POINT OF BETWEEN OIL CHANGES I AM PUTTING IN ABOUT 1.5 QUARTS TO 2 QUARTS. THE VEHICLE NEVER HAS ANY ONBOARD WARNINGS EITHER I DON'T GET A OIL LIGHT OR LOW OIL LIGHT. IT IS SO BAD THAT I HAVE TO CHECK MY OIL DAILY JUST TO MAKE SURE MY ENGINE ISNT GOING TO BLOW AND USUALLY END UP ADDING OIL ONCE TO TWICE A WEEK. I BOUGHT THE CAR WHEN THERE WAS A SERVICE MAINTENANCE ON THE TC FOR THE OIL CONSUMPTION AND THE DEALER I PURCHASED IT FROM NEVER SAID ANYTHING ABOUT IT HAVING IT AND I NEVER HEARD ANYTHING ABOUT IT UNTIL AFTER IT WAS OVER I FEEL AS SCION OR TOYOTA SHOULD HAVE TO FIX THE PROBLEM FOR EVERY SCION.”
Owner complaint to NHTSAFiled Jun 13, 2018EngineODI 11101556

Showing 6 of 32 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026NHTSA vehicle page

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.