Skippy75, your problem is identical to mine. 07 at about same mileage. I too was convinced it was the cop and plugs. Replaced the plugs cause it needed it anyway. And five of them broke...expected. That did not solve my problem. What DID solve the problem was changing the tranny fluid and...
I am cautiously optimistic! One week after transmission fluid change, no issues. Also had my plugs changed, which of course was overdue and was a job due to the terrible spark plug design on this model. 5 of the 8 broke. New plugs and it is markedly smoother at idle. Preventative...
07 tranny shuddering
My 07 has the same problem described by ptmares. 105000 and it shudders at mid rpm going up hills almost like it doesn't know whether it wants to be in 5 or 6th. I found disengaging o/d alleviates it. So does gassing it, which causes downshift of course. Dealer tells me...
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