Idle fluctuation / engine management codes (e.g., P0171)
Often reportedThe 2.4 i-VTEC engine may exhibit low or unstable idle, check engine light, and codes such as P0171 (system too lean).
Engine Internal
The most commonly reported issue when buying a used 2011 Honda Accord 2.4 i (8th generation): Idle fluctuation / engine management codes (e.g., P0171). Noisy timing chain tensioner/VTC actuator and chain wear are also frequently reported.
Engine varies by trim; verify the engine code on the listing.
Listed from most frequently reported, each with its source.
The 2.4 i-VTEC engine may exhibit low or unstable idle, check engine light, and codes such as P0171 (system too lean).
Engine Internal
Multiple user reports indicate a rattling noise during startup; in severe cases, the timing chain tensioner, guides, and/or VTC actuator need replacement. If neglected, the timing chain can stretch and risk engine damage.
Timing chain
The combination of the 2.4 i-VTEC engine with the 5-speed automatic transmission may feel unresponsive; slow acceleration, high-revving gears, and mismatch with the engine can occur.
Transmission
Same trim, different year
We only publish claims we can verify. Cards come from European fault records and owner reports matched to this vehicle on brand, fuel, engine and generation.