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.
Problems for specific Honda Accord years:
Car problem reports
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Most reported 2003 Honda Accord problems
Delphi style alternators on some of the engines have a history of alternator bearing failure. Bearing failure will cause a whining noise coming from the engine compartment.
Overhead sunglass holder will not open/glasses stuck inside.can't shake it loose to open.
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.
The moon roof may not close all the way because of a faulty limit switch. The headliner must be removed to replace the limit switch.
Front compliance (lower control arm ) bushings tend to crack and break requiring replacement.
My radio went out mid-2009 about the same time that my co-worker's '03 Accord EX's radio went out. Honda's only solution is to buy a replacement unit which costs around $800. I took the car to a local car audio shop that told me it may be the internal amp inside the radio that went bad and would cost me about $250 to repair or I could install an aftermarket radio underneath the existing radio where the cubby is located for about $160 or I coul...
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 PCM can misinterpret data from the air fuel sensor and set a false Check Engine (MIL) light requiring a PCM update to repair.