shudder

I am looking for some information on my 2012 CX-9 which has 7,000 miles on it. To provide some context, it had the symptoms of the widespread PTU (power transfer unit) problem, with oil leaking on the garage floor at around 6,000 miles. The dealer replaced the PTU under warranty. Since then, a...

Hey Guys, Lately I've noticed that when going down the road in 5th gear at anywhere from 2000 to 3000rpm, if I go to accelerate I feel what could best be described as a shudder. Doesn't do it any other gear, and the car will stall out if I park it and dump the clutch regardless of gear. Any...

so this morning, my car starts bogging and misfiring. turns out the connector fell off one of the coil packs. This was fixed, but now I'm getting the 4k shudder really bad. the car always bogged at 4k. I read some threads here indicating that this is the transition between closed loop and open...

Hey. I'm having a persistent problem with my '04 Mazda3 where after a cold start (car left off for 6-8 hours or so) it cranks a lot before starting then the engine will shudder badly and sometimes cut out. After that it's fine and the car works with no problem. No CEL or anything. Have any of...