MyFirstMazda....I did read Go Hawks's OP carefully. What I was saying is that you can now check to make sure your CX-5 does not have a dislodged rocker arm by driving up to 70-80MPH(I think 4 cylinders are needed for this speed) or have the car in sport mode and go hard on the accelerator(pretending to pass someone, like Go Hawks did ). If the car can respond to this driving conditions, then you can assume the rocker arm is still in place. I plan to get my CX-5 reprogrammed for the PCM per the recall, then I will perform the tests mentioned to make sure my rocker arm is still in place.....I recommend others to do the same.
That's not entirely true. Between the time I had the limp mode failure to the time they checked the valve cover I routinely had my car at 80+ mph without noticing significant difference in performance. The problem only came up for me and go hawks at high RPMs, not high speeds. My first failure occurred at under 60MPH.
My concern with the recall is that if its only a PCM update and no valve cover removal/rocker arm check, then the reflash could be only masking the problem. For those of you posting about about taking your cx5 into the dealership for the recall, make sure you have a conversation with the dealer about the valve check.
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