I got 2007 max with 41000 miles..when i stop at lights and on idle i feel some shaking or i whould vabration..should i replace spark plugs? Or it somthing else

 

You can pull a plug to check them but I doubt its them. I changed mine at around 85,000 and they looked good still. Is your check engine light on? Open your hood and look for something obvious like a MAF that has a loose connection or disconnected vacuum hose.

 

no engine light isnt on..ya i checked under the hood yesterday..should i try reseting ECU? I been told that by my friend or put sea foam in it?

 

It may need more looking at after you clean things out, but definately go forth with the seafoam, check air filter...

I've used the seafoam in the tank, and in the intake. And also used the lucas gas treatment a tank or two later, and regularly every 3-5000 miles. My 07's only got 36000 on it, bought it with 19000. It's always had a mild rough idle, the treatments helped soften it up a bit, but never got rid of it. I also have the K&N drop in air filter...again, some improvement was noted, but never compeletly got rid of it. I've learned to live with it, as it's only slight, and with teh AC on you don't notice it as much...

 

ya same here im putting CAI in nd see if its changes little..ya i do have k&n air filter but i havent cleaned it..but ya when u put the ac on u didnt feel much..only when the ac is off and ur at the lights..it pulls normal but its kinda annoying too have the shaking..

 

Turn your car on, pop the hood, and get out at look at the engine. I bet she is running smooth, especially if your car is an 07 or newer. I doubt the shake/vibration you are feeling is because of a misfire or incomplete burning of fuel.

I would rather suspect that it is more to do with the stiffness of the car, than spark/ignition issues. I have the SE and it is stiff. You feel every crack in the road, especially if you are running stiff side-walled performance tires. With a car that stiff you are going to invaribly feel some vibration as the ECU is constantly adjusting the engine to be efficient while at idle.

 

So i should reset the ECU? Wht should i do

 

check the obvious. Motor Mounts.

 

they are find..just install the nismo CAI not much of shaking?vibration..but i here clicking between the rpm 1500 to 2500..as soon as it shifts the clicking it gone..can only hear when driving by crubs and walls or under bridge..i whould clicking or ticking like old cars..

 

that is the famous exhaust shield fracture/crack that causes that. there is a TSB for that. do a search for exhaust shield under 6th gen, that should help.

 

thanks man

 

ok so i found that one shield is broken..took it and went to test drive..same noise but not as much mayb its night time now car usually does it when it hot outside like when the temp is 102 here in cali..so im guess its coim from head cylinder? is it possible?

 

Hey Deus,

I think that may be why Xima shakes a little. My vacuum hoses need changing. Would this also be why in the winter the heater blows cold air on idle?? Is that simple to do or should I bring that to an auto shop? What kind of hoses would I need to replace the top and bottom??

 

I am kind of new to the forums still can’t start a new thread yet. I need help. I have a couple of issues. One is vibration at idle my passenger seat shakes and if there is anything in the cup holder behind the shifter shakes. The other problem I have is my tires keep getting cupped on the inside. I have gotten an alignment a couple of times and it doesn’t help.

 

Check your collant I had a friend with the same issue it turned out he was low on collant that why he had no heat unless you are pressing gas.