2004 Honda Accord Problems

RepairPal has identified the most common problems with the 2004 Honda Accord as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problems

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.

One or both of the rear sway bar end links may break resulting in a knocking noise from the rear of the vehicle.

Owners have reported a number of prematurely worn rear wheel bearings. As the bearing fails, a rotational humming or grinding noise may be noted from the rear as vehicle speed increases. Replacement of the rear hub assembly, which includes the bearing, would be necessary to remedy this condition.

The AC condenser failed due to contact with road debris and a lack of protection for the condenser.

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.

If the engine is knocking or pinging when accelerating, the PCM may need updated software.

The PCM can misinterpret data from the air fuel sensor and set a false Check Engine (MIL) light requiring a PCM update to repair.

The PCM can misinterpret misfire data and set a false Check Engine (MIL) light requiring a PCM update to repair.

Leaking gaskets around the tail lights can allow water entry into the tail light assembly. New gaskets should fix this concern.

Plugged moon roof drains can cause a water leak inside the car. The water will usually leak onto the driver's or passenger's head when the car turns a corner.

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.