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View Full Version : 2010 M-3 GT: Slight Jerk in 1st to 2nd to 3rd gear and car shakes at startup



penguins28
06-24-2010, 12:52 PM
Hi everyone, I'm new to the threads and recently bought my first 2010 Mazda 3 GT in graphite mica. So far I have tinted the windows 17% audio heaven (they do a great job). I'm looking to lower the car with springs soon too (any suggestions???). The car drives great and I love it. I just have two issues that I have noticed and wanted your opinion on it.

First, the car shakes during start up. It seems like there is a sudden jerk int he whole car when I ignite the engine. Not sure if this is normal for 2010 mazda 3s with 2.5 engine.

Secondly, there is a slight jerk also during shifting gears from 1st to 2nd to 3rd gears. Shifting to 4th and 5th is smooth. This car is an automatic and I'm driving it using just the auto. I do feel it when I use tiptronic too. This happens more noticeably when I am pushing harder on the gas from a stop. I would push the car to 3000 RPMs and the gears change on there own.

Any help or suggestions would be appreciated! Thanks!