2007 Scion TC engine problems
32 owner complaints filed with NHTSA name the engine on the 2007 Scion TC — 27% of all complaints for this model year.
What owners report
“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…”
filed Mar 30, 2025
“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…”
filed Jun 12, 2019
“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…”
filed May 22, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB…
DOR-M9J4S-07 · Service Bulletin/Repair Instructions · issued Jun 3, 2020These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB…
DOR-M3J3F-07 · Service Bulletin/Repair Instructions · issued Jun 3, 2020Warranty Policy Bulletin: Toyota has received some reports where vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the part replacement phase of Warranty Enhancement Program ZE7 for…
ZE7 Phase 2 POL1 · Service Bulletin/Repair Instructions · issued Jan 12, 2017Warranty Policy Bulletin (POL14-12): Added the Short Block Release Authorization Flow Chart. Toyota has received some reports where vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the…
ZE7_Warranty Pol · Service Bulletin/Repair Instructions · issued Aug 4, 2016Warranty policy bulletin (pol14-12): toyota has received some reports where vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the part replacement phase of warranty enhancement program ze7…
POL14-12 · Service Bulletin/Repair Instructions · issued Jun 24, 2016
Engine problems in other TC years
| Year | Reports | Share |
|---|---|---|
| 2011 TC | 2 | 7% |
| 2010 TC | 7 | 35% |
| 2009 TC | 15 | 25% |
| 2008 TC | 23 | 27% |
| 2006 TC | 17 | 11% |
| 2005 TC | 9 | 6% |
Other reported problem areas on the 2007 Scion TC
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.