Acura MDX - Recent Questions, Troubleshooting & Support - Page 9
Rear spark plug bank is fouled. The 3 in front are fine. What cold be the problem?
I am assuming it is oil fouled rather than fuel fouled. Oil fouling is usually due to valve stem seal leakage. Most engines have the oil return on the cylinder head at the rear. When the engine is shut off, some oil pools at the rear of the head. If the valve guide seals are worn, then the oil will leak around the stem of the #4 valve and eventually foul the plug. If there are no real issues with the engine other than this one, it is usually best to keep a clean plug or two available and swap out the plug periodically when fouling is detected. Then clean the fouled one and keep for reuse later. If it is happening too often, getting the cylinder head reconditioned is a good idea.
Navigation system, radio, front power outlet failure
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.
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