While driving on the freeway the check engine light illuminated, 10/28/2014. I took the vehicle to the dealer where they advise the dtc code P3497. They advised that the rocket arm bank, oil pressure switch, needed to be replaced on both sides. I had the vehicle repaired. A prior incident occurred on 01/15/2014 where the check engine light illuminated while driving on the freeway. I took the vehicle to the dealer where they advised the dtc code P3400. They advised that the oil pressure switch was faulty. I had the vehicle repaired.

- Morgan Hill, CA, USA

Was driving at highway speed when engine encountered a severe rough idles and lost power. Check engine light started flashing and vehicle stability & traction control failure lights also illuminated. Honda dealer proximate to incident diagnosed as fouled spark plug related to cylinder deactivation system in car. Internet research indicates that this is a known and common occurrence with Honda cars having a V6 engine with cylinder deactivation.

- Wauwatosa, WI, USA

Our 2010 honday Odyssey has rolled backward while the transmission was in "park" twice. The first time we thought it was a fluke as it rolled 'only' about 18 inches. The second time the van was again in "park", and the keys were out of the ignition, a few hours later a neighbor came to inform us that the van had rolled into the street/alley which is approximately 7 feet from the original parking spot. The van is parked in an almost flat location, the "incline" of the driveway is standard rain run-off grade so less than 2% approximately.

- Highland Park, IL, USA

Engine consumes to much oil, the variable cylinder engine needs to be turn off and allow to run on all 6 cylinders.

- Stanley, NC, USA