2009 Acura MDX Engine Problems
NHTSA lists 16 engine complaints for the 2009 Acura MDX, 31% of its 52 total complaints for the year — the highest share of any MDX model year in this dataset. There is no related engine recall on file, and the median mileage at failure was 50,000.
- Engine complaints
- 16
- 31% of 52 complaints
- All complaints this year
- 52
- Crashes reported
- 3
- Fires reported
- 1
- Injuries reported
- 1
- Median mileage
- 50,000 mi
- Related recalls
- 0
Typical engine symptoms owners report
- Vehicles suddenly and unexpectedly accelerated or lurched forward while shifting gears at low speed, in some cases crashing into objects.
- The engine compartment caught fire after the check engine light flashed while driving at moderate speed.
- Timing belt pulleys and the timing belt failed at very low mileage, in one case under 4,000 miles, damaging the front of the engine.
- The throttle body failed internally, causing the engine to stall unexpectedly while driving, including at highway speed.
- A knocking noise developed after a cold start, traced to a broken piston that owners say destroyed the engine.
- The engine developed a whine near 1,500 rpm and hung at idle on deceleration, initially misdiagnosed as a power steering issue.
When 2009 Acura MDX engine complaints were filed
First complaint Nov 25, 2009, latest Jul 6, 2022.
Engine recalls for the 2009 Acura MDX
No safety recalls on record for this model year.
Engine complaints by MDX model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- What engine problems do owners report on the 2009 Acura MDX?
- Owners reported sudden unintended acceleration, an engine compartment fire, timing belt and pulley failures at very low mileage, throttle body failures causing stalling, and at least one case of a broken piston destroying the engine.
- How many engine complaints does the 2009 Acura MDX have?
- NHTSA lists 16 engine complaints for the 2009 MDX, which is 31% of the 52 total complaints filed for that model year.
- Is there a recall for the 2009 Acura MDX engine?
- No related recall is listed in the data for engine issues on the 2009 MDX.
- At what mileage do 2009 MDX engine problems typically show up?
- The median mileage at failure for engine complaints on the 2009 MDX is 50,000 miles, though some issues, like timing belt problems, were reported at under 4,000 miles.
- Were there any crashes or injuries linked to engine complaints?
- Yes, NHTSA data shows 3 crashes, 1 fire, and 1 injury among the engine complaints for the 2009 MDX.