20 Most Recent 2011 Nissan Altima 2.5 Questions & Answers

Question edited for clarity. Question moved to model category. It's not an emissions code. It regulates air going into the engine for combustion. 'Emissions' is what comes out at the exhaust end after combustion and emitted (emission) into the air we breathe. https://www.justanswer.com/nissan/fbhcg-2011-nissan-altima-2-5-p0101-code-new-maf.html#:~:text=The%20issue%20is%20a%20faulty,that%20has%20the%20needed%20equipment. Did you replace the MAF with and OEM version or one made in China or Mexico? Don't go cheap on sensors. Codes need clearing with and scan tool, but it is keep coming back, the fault is still there. Check for an inlet manifold leak. Air is entering where it shouldn't. https://www.google.com/search?q=2011+Altima+P0101+code ..

This website has your answer... Yes it looks like there is one... but it does not look all that easy to access: https://www.justanswer.com/nissan/3xx22-a-c-relay-located.html

Did you have the tool hooked to the ABS unit that allow for proper brake bleeding? If no you still have air in the system.

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Ok now your ready for a code reader to let you know whats failed , most major auto parts stores will ck these for you for free (they just might want to sell you the part !)

Does it rattle any other time? A bad catalytic converter will rattle when the inner catalyst breaks away from the outer shell.

As long as it goes away don't worry about it.

If phone fit down there the use a magnet send it down after it and remove gently Hope this works Mike PS won't hurt you phone

Try locking and unlocking the drivers door.

run the fault codes and check for misfiring from injector problems the humming noise could be from the tread of the tires in use and may be overcome by increasing the tire pressure by 5 psi at 49.000miles Is the vehicle still under warranty and if it is take it to a service dealer and have a record made of the complaint Just because a warranty period runs out doesn't mean that any fault recorded in the warranty period will not be fixed by the company after the warranty period expires

they have one thing in common...the chassis ground...wirebrush the lug that connects the chassis....wirebrush the chassis...get a NEW battery if yours is older than five...tin/antimony batteries (NO LEAD) anymore....knock off labels on the top of the battery will identify the month and year of the first charge~

one fuses must be put at a wrong place ! some of the hole is supposed to have nothing in , or call your dealer and ask some time the answer those question with no charge $$ !

must a loose wire or connection to radio

one day a client told me to change the gas pump for his almost brand new truck cause it was doing about the same happends to you when i got to the fuel filter, the filter was full of dirt that was the problem, now is engine light on?