How to diagnose a 2008 Nissan Altima Cylinder Misfire

The code P0304 means that the Misfire Monitor has detected more than a 2 percent variance in RPM between the firing of any two (or more) cylinders in the firing order. ... The Monitor wants to see a smooth increase or decrease in engine RPM.

[@MMGJ10]

Very good video. Thanks for the explanation.

[@NOBOX7]

your the man MAN

[@tylerdirden3416]

2 Questions:
-What are the torque specs on the dogbone bolt, motor mount bracket, and valve cover bolts?
-Could i possibly hurt the engine driving it home around 10 miles from the dealership on 3 cylinders?

[@jonathanbelanger6574]

I ordered the cover with all 4 coils for 98$ Canadian free shipping included, the parts are good quality too , I'm not paying 150$ per coil x 4 at Nissan dealership that's for sure lol

[@TxMexk]

Changed spark plugs, coils, valve cover gasket, ignition coil harness wires (pigtail) all of them. Still have p0304 code. What next?? Thanks in advance!!

[@mritua5080]

Did you ever figure whats wrong

[@kaleidoscope8743]

Very good video auto technically; but is difficult to hear you over the unpleasnt background music. Music is unpleasant, too loud, and distracting. I Must keep stopping and replaying bits to determine what you said. And i happen to have perfect hearing. But i liked your presentation of the technical details.

[@daphnesanchez07]

What if the spark plugs and the coils were changed and it’s still reading po301

[@ricardos5899]

daphnesanchez07 cool I found ur comment

[@sergiob1411]

Hello Dafnee, how are you? Were you able to find what was causing this problem?

[@cruzrv]

Thaks a lot very usefull info perfect camara angle

[@Thereservist45]

Say man, I think I may be having the same exact issues after the computer reading. Estimate repair cost for this job to be done correctly?

[@driftking9870]

JL RESERVE about $100 if you do it your self.

[@Thereservist45]

Abner Velasquez okay thanks

[@rickybets]

how muxh would this job cost if I provide new valve cover

[@autoguardthemechanic9913]

RIcky Singh. Labor to replace is from 150 to 250.

[@rickybets]

Autoguard The Mechanic Thankyou so much

[@0Fresco7]

What does it mean when oil is lightly blowing up from the oil cap?

[@AlfredoRodriguez-kc7rm]

Blow by, worn piston rings

[@davidbennett1709]

Thanks for this vid, useful info. How exactly did you clean out the oil from inside the spark plug wells?

[@metalslugmasters]

David Bennett use a plastic spray nozzle with a plastic tube. The tube must be inserted inside the wells. It will suck out all the oil.

[@tylerdirden3416]

Great idea i see, thx.

[@shanaidsewell1261]

Thank you