I have a 2007 nissan altima 2.5 liter nd it jerks

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Check out this video:

How To Install Replace Exhaust Manifold and Catalytic Converter 2002 06...

or:

2007 Nissan Altima exhaust leak



and have some good background info:

2002 2006 Nissan Altima 2 5L QR25DE engine Seeing bluish smoke and Code...


and old school step by step instructions:

Repair Guides Engine Mechanical Components Exhaust Manifold AutoZone com

Did you get a plug wire switched? Check the firing order again just as a double check.

How you check your oil level properly on a Nissan 3.5 engine

? 1:15
https://www.youtube.com/watch?v=5uih27KiKMo
Mar 2, 2013 - Uploaded by FixyourNissan
When you have no dipstick tube you can incorrectly check youroil level. ... How you check your oil level ...Missing: inches ‎ltr

Oil Dip Stick Reading...Help! - Nissan Forums : Nissan Forum

www.nissanclub.com/...nissan-altima.../92792-oil-dip-stick-reading-help....

Mar 28, 2003 - 14 posts - ‎12 authors
Okay, I have heard that the dip stick is a little wierd. ... I've had no problems checking the oil level in many cars over the years, but the alti really ... Oil Change, dipstick reads above high
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May 26, 2012
4.5 or 5 quarts of oil?
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Check Oil Level 2002-2006 Nissan Altima - CarCareKiosk

it sounds like trouble with the torque converter / check transmission oil levels or take it to transmission shop for check up

Check for loss engine motor mounts and transmission mount
Also check the air tube (TOP AND BOTTOM) for hairline crack.

A loss motor mount can cause excessive vibration and damage the air inlet tube.

HERE'S THE LINK FOR THE 2.5 ENGINE,HERE/S THE 3.5 ENGINE.

I would first check the plugs .If that don't work then you have a timing that's out or fuel starvation.When last did you change the airfilter

you need to replace crank position sesor.about 50.00 and an hours labor(pain in the *** wait till you see where they put this thing!)very common falure on these....should have come with a replacement in the glove box when they sold them new!

2005??? dealer only encrypted software so a plug in scanner will read the wrong code .From description try changing the coil pack

possible causes are: faulty spark plug, coil not firing or arcing, injector fouled. start with your spark plugs and if replacement is neccessary, replace with ngk or nd spark plugs.