The Powertrain Control Module (PCM) can misinterpret data from the coolant temperature sensor and set a false Check Engine (MIL) light. The PCM will need a software update for this issue.
Problems for specific Honda Accord years:
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Repairpal verified 2005 Honda Accord problems
On certain models, a transmission solenoid can short-circuit and illuminate the Check Engine Light.
The computer can misinterpret a low battery voltage and can cause a false Check Engine (MIL) light to come on. Updating the PCM can correct this issue.
The AC condenser failed due to contact with road debris and a lack of protection for the condenser.
A faulty Electric Load Detector (ELD) can cause the head lights to dim and/or illuminate the Check Engine Light. A failed ELD will require replacement.
Excessive oil consumption can cause a low oil level condition, which can result in illumination of the Check Engine Light.
The front brake rotors can warp and cause a vibration when braking. The rotors will need to be machined or in cases where they are worn to thin, replaced to correct this issue.
Automatic transmission failures are common, Automatic transmission failure on these vehicles will generally require overhaul or replacement of the transmission. In the event of a failure, it may be worthwhile to check with Honda to see if they may offer assistance for this repair. As these vehicles age, Honda has become less likely to help out with these transmission related repairs.
One or both of the rear sway bar end links may break resulting in a knocking noise from the rear of the vehicle.
The ABS modulator (hydraulic unit) can leak air into the brake system and cause a low brake pedal. A new ABS modulator will be needed if it is diagnosed to be the source of the leak.
Honda issued a recall on some 2005 Accord models due to a defective fuel pump relay. If the fuel pump relay fails, the car will stall or fail to start. For more information on this recall please click here»
If the brake pedal feels hard the first time it is pressed in the morning, it could be due to a problem with the vacuum supply hose for the brake booster. A revised brake booster hose is available to address this concern.