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Jay, Certified Infiniti Technician
Category: Infiniti
Satisfied Customers: 3940
Experience:  20+years, Nissan and Infiniti experience and currently now working for a Infiniti Dealer
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My Infiniti G37xS (2010) would start to jerk at about 30 mph

Customer Question

My Infiniti G37xS (2010) would start to jerk at about 30 mph but only occasionally. If I stopped for a minute or less, it would almost always go away. Nissan in Lebanon diagnosed some grit past an engine filter. They repaired (about $200) and it went away.
However, a couple of days ago, it happened again and ceased after a brief stop. ????
Submitted: 1 year ago.
Category: Infiniti
Expert:  Jay replied 1 year ago.

Hi, My name is*****'m happy to help you. During our conversation, I may be presenting you with different things to try, and ask you some Questions to get a better understand of the issue so I can answer your question properly. So stick with me to the end, and I am sure we should be able to get this issue resolved for you!

What grade fuel do you use and how many miles on the car?

Customer: replied 1 year ago.
Sorry for delay. Regular. Now just short of 100K. Nissan Lebanon, NH, replaced an engine filter (only one tested bad). Problem seems to have disappeared.RIM
Expert:  Jay replied 1 year ago.

Did you have K&N air filters? I have seen those filters cause that.