20 Most Recent 2005 Acura MDX Questions & Answers


There are three places that water can be coming from. The least likely is from underneath, unless you've been driving through deep water (ask the kids about that if they get to use the car). ;-) The other places are from a plugged sunroof drain - just open the sunroof, and carefully pour a quart of water into the channel in the front and see if it finds its way through the drain holes at the front corners, and out the bottom of the car (it takes just seconds to make the trip). The third possibility is a gap in the gasket or sealant around the windshield (the water will run down inside the windshield pillar, and find its way to your carpet). The only option there is to have the windshield replaced (or at least removed and reinstalled - if you can find someone who'll do that). There's some chance that there's a rust hole under the gasket, too, particularly if the windshield was replaced previously by a ham-fisted tech who scratched up the paint when replacing a windshield.

2005 Acura MDX | Answered on Mar 21, 2019


30000 miles.the owners manual will tell you exactly.most honda are 48000 km,exception is the cvt type transmission which there is no service done.

2005 Acura MDX | Answered on Oct 28, 2018


1996-newer (OBD-II) vehicles use oxygen sensors and a catalytic converter to reduce emissions. There is one O2 (oxygen) sensor in front of the catalytic converter (called upstream), and one behind it (downstream). When the engine is warmed up and running normally the upstream oxygen sensor reading fluctuates and the downstream one is fairly steady. In the case where both readings are fairly steady, a P0420 check engine light code is set.
Possible Causes: Oxygen (O2) sensor not working correctly
Damaged or leaking exhuast (pipe, manifold, catalytic converter)
Damaged catalytic converter
Diagnostic Help:
To diagnose a P0420 trouble code we begin by checking for exhaust leaks under the vehicle. Then use an oscilliscope to check the waveforms of both upstream and downstream O2 sensors. The front reading should vary, the rear should be steady. Replace as necessary. Check the rear Heated O2 Sensor. Check the catalytic converter, replace if necessary. If necessary, check for wiring and component concerns. See our article "Automotive Circuit Testing 101", if you need more assistance with this. Remember to refer to an model-specific repair manual for proper instruction.

2005 Acura MDX | Answered on Jun 24, 2017


You should have a P with a four place number.

2005 Acura MDX | Answered on Jun 23, 2017


Sounds like (no pun) it is the alarm system going off. After installing the battery try using the key fob to deactivate the system.

2005 Acura MDX | Answered on Jun 23, 2017


On this website (link below) you find fuse box diagram and description for Acura MDX (2005)

Acura MDX 2005 2006 fuse box diagram Auto Genius

2005 Acura MDX | Answered on May 28, 2017


Check this website (link) below, you find there fuse box diagram and description for Acura MDX (2005)

Acura MDX 2005 2006 fuse box diagram Auto Genius

2005 Acura MDX | Answered on May 28, 2017


the speedometer is more then likely due to a fauly speed sensor on the transmission, presuming your check engine light is on, try resetting ecu by removing battery cables for 5 mins, then plugging them back on battery, ensure you have radio code before doing so to avoid locking the radio if it is still the stock radio, if problem is not resolved check engine codes for possible fault shift solenoids, also ensure there is enough transmission fluid, to check turn the car on let run for 10-15 mins to warm up oil, block the wheels and place transmission in neutral and verify correct level of oil, if no codes present and oil at right level, suspect a faulty torque converter in the transmission.

2005 Acura MDX | Answered on Feb 01, 2017


You have to reset theft system . Did you try putting key in the ignition and turning it on and off .

2005 Acura MDX | Answered on Dec 19, 2016


The trim panel around the NAV unit just pops out, there are 4-6 screws which hold the NAV unit in place. Disconnect the wires (they only fit in the correct holes) and pull it out.

This video is for a 2006, but might help you anyway.

2005 Acura MDX | Answered on Aug 17, 2016


The solution is to buy a new mini fuse (Blue #15) at an autonation or similar. Open the passenger side kick plate fuse box and pull out the fuse in position #9 (upper most left fuse). You will need needle nose pliers or tweezers etc... Insert new fuse and you are done. 50 cent repair and 30 seconds spent screwing with it. Enjoy! Oh, and don't worry about blowing it again. Best I can say is when starting the car, unplug the power sucking device like a radar. Once car is on you can re-insert it the radar. The initial jolt of powering everything on all at once is what blew your fuse in the first place. Get a few additional fuses to have on hand just in case.

2005 Acura MDX | Answered on Aug 24, 2015


Tires and locks are unrelated. First I have the codes read for the BCM, then I would go for the drivers door. At the door jam in front, there is a boot that holds the wires. Check for broken wires here first. The go to the hatch and check for broken wires in the boot at the top. Codes will tell you which latch is bad. Go for them also.

2005 Acura MDX | Answered on Feb 21, 2015

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