I have a 2006 nissan maxima se. I did not have problems prior to recent maintenance. I took my car to a local mechanic and had them change the spark plugs and the air filter while they were under the hood. I bought oem laser platinum spark plugs and a k&n air filter. All was fine until about a week after. As I hit about 3000rpm, my car would feel somewhat shaky. It would also feel as if it was losing power. After doing some research a found it might be the cati or the air flow, so my hope is they didn't install the air filter properly. Any suggestions? all are appreciated.

 

what brand did you get on the plugs?

 

Does it continue to rev to redline or no?

 

I bought oem "ngk" from a local nissan dealer. I stopped driving the car for a few days. Now the car runs fine. I hit 3000+rpm and nothing weird is felt or heard. I test drove it on the freeway and hit 80+mph. Similarly, the car seems to run fine. No abnormality is felt with respect to power,acceleration, etc. I was thinking that maybe the car was adjusting to new spark plugs and/or K & N air filter(previously stock filter). Any thoughts?

 

The experience of some is that the oily K & N air filter is ruinous to the MAF sensor. I think you should watch out.

 

Yea i considered that. it might have had some oil on the rim when it was first installed. thanks for the heads up.

 

They come over oiled all the time. Huge reason why I avoid them.

I'm sure your MAF could use a cleaning.

 

I will try to clean it as soon as i can. Thanks