ENGINEERING REQUEST FOR INVESTIGATION OF THE HANDSFREELINK (HFL) NOT WORKING OR THE BATTERY BEING TOO LOW TO START THE ENGINE.
full bulletin at NHTSA ↗2008 Acura TL engine problems
moderate Owners of the 2008 Acura TL have filed 7 NHTSA complaints about the engine at roughly $3,100 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
| Model year | engine complaints |
|---|---|
| 2005 TL | 7 |
| 2007 TL | 5 |
| 2008 TL (this page) | 7 |
| 2010 TL | 3 |
| 2011 TL | 3 |
| 2012 TL | 14 |
When does it fail?
Of the 7 engine complaints filed for the 2008 Acura TL, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Among the 6 model years of Acura TL in our records for engine problems, this one ranks #2 by owner-complaint volume.
No new NHTSA engine complaint has been filed on this vehicle in over 15 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
DEALER MESSAGE - REQUEST FOR PARTS TO INVESTIGATETHE HANDSFREELINK (HFL) NOT WORKING OR THE BATTERY BEING TOO LOW TO START THE ENGINE.
full bulletin at NHTSA ↗SUMMARY TO BE PROVIDED ON A FUTURE DATE.
full bulletin at NHTSA ↗ACURA: THE MALFUNCTION INDICATOR LAMP (MIL) IS ON, WITH DTC P2138 (ACCELERATOR PEDAL POSITION SENSOR A/B INCORRECT VOLTAGE CORRELATION), AND HAVE POOR PERFORMANCE IN ENGINE. MODEL 2004-2008 TL, TSX.
full bulletin at NHTSA ↗Dealer message - American Honda (AHM) is investigating certain 2004-2008 TLs & TSXs with a complaint of the Malfunction Indicator Lamp (MIL) on with the DTC P2138 (Accelerator Pedal Position Sensor A/B Incorrect Voltage Correlation) stored and poor engine performance. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting any further repair of any kind.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
Tl* the contact owns a 2008 Acura tl. The contact stated while driving 30 MPH, the vehicle stalled without warning. The vehicle independently restarted within seconds. The vehicle was taken to the dealer where a diagnostic was performed but the test did not generate any failure codes. The manufacturer was contacted and advised that there were no recalls on the vehicle. The contact stated the main…
Replaced timing belt, tensioner, fan belt, and back leather seat (bottom part). *tr
Common questions
How serious is the engine problem on the 2008 Acura TL?
It's a documented issue but not catastrophic. 7 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 7 complaints filed, engine issues most often appear around 86,000 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.