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2008 Honda Accord Problems

RepairPal has identified the most common problems with the 2008 Honda Accord based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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29
Known Problems

The Air Conditioning Condensers can fail due to damage from road debris due to a lack of protection for the condenser. 

Power door locks can activate intermittently due to a faulty door lock actuator in the driver's door.

Front compliance (lower control arm ) bushings tend to crack and break requiring replacement.

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.

Some models have shift quality problems when shifting into third gear. A new "third gear set" from Honda will address this issue.

The radio and climate control display can go dark on some models. It will be necessary to replace the affected unit to correct this concern. Some customers have reported receiving help from Honda regarding this repair.

The 1998-2016 Honda Accord may develop issues with the automatic transmission.

Rough shifting may occur, and the “D4” light and check engine may begin to blink. The check engine light will also illuminate, and OBD trouble codes P0700, P0730, P0740, P0780, P1768 and/or P1768 will be stored in the computer.

If the transmission shifts roughly, the failure is very likely mechanical failure of the transmission. If the transmission performs normally, a faulty sensor, or dirty transmission fluid may be the case.

In most cases, it is necessary to use professional diagnostic equipment to provide a diagnosis, and complete the repair.

The longevity of the transmission is dependent on strict adherence to the manufacturer's recommendation for ATF replacement intervals and procedure.

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»

A water leak on the passenger floor can be caused by a clogged AC evaporator drain.

Ignition switch failure may cause the car to stall or fail to start. Honda issued a recall to replace the ignition switch. For more information on this recall please click here»

The Honda Accord may have issues with the idle air control system, causing:

The idle air bypass system is made up of vacuum lines, an idle air control valve (IACV), the throttle body, and intake manifold, and allows enough air into the engine to idle when the throttle body is closed. The OBD trouble code P0505 refers you to this system to inspect for failures.

The most likely cause is a dirty or failed IACV, but vacuum lines, intake manifold gasket, throttle body gasket, and IACV gasket should be inspected.

In all cases involving the IACV, the throttle body ports should be cleaned prior to installing the IACV onto the throttle body.

 

The exhaust recirculation valve (EGR) on the 1990-2007 Honda Accord V6 may fail, causing:

  • Illumination of thecheck engine light
  • OBD trouble codes P0401 and P1491
  • Rough idle
  • Reduced fuel economy
  • Engine vibrations
  • Hesitation or stalling
  • Long cranking before engine starts
  • Failure of state or federal smog tests
  • The EGR valve has open and closed positions, and opens or closes on command from the computer.

    Exhaust gases constantly pass through the valve when it is open, leaving carbon deposits on the valve. These carbon deposits may lead the the valve sticking in the open or closed position.

    To correct this issue, sometimes it is sufficient to clean the valve, but replacement is recommended in all cases.

    For further information on your vehicle's issue, try out our diagnostics tool here.

    Damaged engine mounts can lead to vibration and roughness felt in the steering wheel. A rattle in the dash and engine area may also be heard. Replacement of damaged mounts will commonly correct these issues.