plfr5a-11 NGK - i wouldn't use anything else 4a hotter 6a cooler Check the gap if you like, but don't try to regap. 0.043" Opinions vary, but i'd say remove the intake - not disassemble the coil and use swivels/extensions... also never-seize the threads (lightly) Good luck! Hows the riding?!
it's over $100 if i remember right. You also have to drill a couple holes in your frame and coat it with bitumen wax (also $$). If it were me, i'd drop the canister and valve (1 bolt, few hoses, one electrical connector) and check for mud debris first. There is an updated VCV. It's totally different...
it's your vent control valve. you may also need an auxilary filter kit installed if your vehicle didn't come with one. You may also want to drop your canister and check to see if its packed with mud (inside). Best case, you can clean it out and be ok worst; VCV, cannister and filter kit (pain to ins...
On the back of the tcase, where the big solenoid is....if you get particulate matter in there, and/or water you can have electrical issues. Glad it's warranty! If you're doing water crossing and stuff out-of-warranty, you may want to invest in some dielectric grease to seal up those connectors....
Those trucks are known to be smelly after cold start. Keep in mind that the voltages for A/F sensors are not the same as O2. I've yet to replace an A/F sensor in a Pathfinder for anything other than physical damage. Feel better!
why you replacing? I'd go from the wheel well. Take the front wheels off and go from the inner fender liner. You can bend it or remove it. The connectors also clip into little metal tabs. Unlock the grey tabs FIRST, or if the tab breaks, the connector wont stay secure. The sensor won't be hard to ge...