2006 Toyota Avalon Engine Problems
- Complaints
- 12about this part
- Share
- 3%of 360 total for the year
- Median mileage
- 88,360miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 12 complaints about the engine of the 2006 Toyota Avalon, 3% of the 360 complaints for this model year. Where a mileage was given, the median is 88,360 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“On june 7, 2019, I was driving the Avalon, the engine suddenly stopped while I was driving the vehicle on city street. With the loss of power steering and brakes, I was traumatized and did my best to guide the vehicle to side of the road. I had the vehicle towed home and hooked up to a code reader, which yielded codes p0345, p0300, p0302, p0304, p0306. …”
NHTSA complaint #11228871, filed 2019-07, 153,189 miles“Head gasket leaks both sides. Under repair. Poor design or manufacturing. Should not have occurred at this mileage level. My repair service indicated that this has happened on several Toyota products. Concern for accident potential should head gasket blow at high speed in heavy traffic where conditions do not allow for a safe exit from travel lanes to shoulder. Note: vehicle registered under my wife maria's name.”
NHTSA complaint #10743610, filed 2015-07, 90,048 miles“Started car and smoke began pouring from the exhaust while stationary. Checked oil level and found to be within normal range. When driving, car was sluggish under acceleration with intermittent smoke. Took car to san marcos Toyota and they found the engine to be sludged and require an overhaul of the engine ($4900) or replacement of the engine ($6900). The vehicle had only 140,000 miles. We ended up having an independent mechanic overhaul/cleanup the top side of engine for $4000. I have the estimates and receipts for the work if needed. …”
NHTSA complaint #10894254, filed 2016-08, 140,000 miles“This cars engine had to be pulled out for head gaskets. I was charged 4000.00 when it was covered under the warranty. A year later they gave me the money back. Then I had external high pressure oil lines replaced and the gaskets several times. This car is one of the worst cars I have ever owned.I take care of my cars to the exstreme.I am a diesel specialist for the state.I finally had to get rid of the car.I wrote Toyota a letter and got absolutely no sympathy or understanding whatsoever.”
NHTSA complaint #10486679, filed 2012-12, 75,000 miles“The check engine light came on with the vsc and slip lights on the dash. Had it scanned and the codes are p2195 and p0138. I am having a huge problem with this, I feel that Toyota should cover this problem or atleast most of it. It's $1700 to fix this problem that many Avalon owners are or have had with this!!! 06 Toyota Avalon - edmunds answers jan 10, 2009 - p2195 - oxygen (a/f) sensor signal stuck lean (bank 1 sensor 1) ... P0138 - oxygen sensor circuit high voltage (bank 1 sensor 2) ..... After owning a certified pre-owned 2006 Avalon for 1 month, the check engine ... …”
NHTSA complaint #10573840, filed 2014-03, 72,763 milesRelated service bulletins
- 10164330Jul 1, 2019TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections…
- 10149217Sep 14, 2016TSB: Supersession Notice. Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are…
- 10134223Sep 15, 2015TT: The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been interrupted.
- 10096556Sep 15, 2015Tt: the vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the engine ecm has been interrupted.
- 10132529Aug 24, 2015TechTip: Condition - The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been…
- 10134128Jan 15, 2015TSB: Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix…
- 10096036Jan 15, 2015"tsb: flash reprogramming allows the ecu software to be updated without replacing the ecu. Flash calibration updates for specific vehicle models/ecus are released as field-fix…
- 10056822Aug 7, 2014Toyota: see document search button for owner letter. On certain vehicles the rubber oil supply hose, for vvt-I actuator, is degrading over time and causing a leakage of oil, from…
- 10132812May 1, 2014Tech Tip: Low battery voltage can contribute to a MIL "ON" condition for P0335 (Crankshaft Position Sensor Circuit) and/or P0340 (Camshaft Position Sensor Circuit) due to…
- 10054869Aug 8, 2013Toyota: updated information regarding the response of the air fuel ratio sensor, that is incorrect and also, an incorrect oxygen sensor operation may be present, due to ecm/pcm…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 1 | 13% |
| 2021 | 4 | 19% |
| 2019 | 7 | 10% |
| 2017 | 6 | 43% |
| 2016 | 4 | 17% |
| 2015 | 2 | 5% |
| 2014 | 2 | 2% |
| 2013 | 4 | 3% |
| 2012 | 1 | 3% |
| 2011 | 3 | 3% |
| 2010 | 1 | 2% |
| 2009 | 2 | 2% |
| 2008 | 2 | 1% |
| 2007 | 19 | 8% |
| 2006 | 12 | 3% |
| 2005 | 7 | 3% |
| 2004 | 3 | 1% |
| 2003 | 7 | 2% |
| 2002 | 1 | 1% |
| 2001 | 1 | 1% |
| 2000 | 4 | 2% |
| 1999 | 1 | 1% |
| 1996 | 2 | 2% |
Other parts of the 2006 Toyota Avalon
103 complaintsEngine cooling
57 complaintsTransmission and drivetrain
52 complaintsSteering
35 complaintsBrakes
28 complaintsAir bags
27 complaintsOther or unknown
27 complaintsBody and structure
23 complaintsElectrical system
16 complaintsExterior lighting
12 complaintsFuel system
10 complaintsElectronic stability control
9 complaints
← All problems reported for the 2006 Toyota Avalon
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology