Skip the auto shop - Our mechanics make house calls

Q: MAF change during cold weather with a P01P0 code on a 2011 Nissan Altima

asked by on

2011 Nissan Altima. PO1O1. MAF change usually comes on a cold day.

On a cold day, electronics have a tendency of being affected the most. MAF sensor wires are only 5-volt and only have a tiny amount of power, around 15 to 30 millivolts which is a thousandth of a volt. At times the wiring connections can get dirty and you’ll want to clean them with spray electrical cleaner. Also, check the wiring resistance very well. Follow the wires to see if the installation has fallen off. If you see some bare wires you’ll have to have them rewired.

It’s a very common problem and you want to pray that it’s not the main computer going out. In cold weather conditions, bad computer circuits can often cause this problem to occur and would be a very expensive fix that you can’t do yourself. Computers have to be reprogramed when you buy a new one, for both your car and the anti-theft system. If you buy one, put it in, and turn the key, nothing would happen. A certified mechanic would be able to diagnose the code the trouble code and install a new computer if need be.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  • Home
  • Questions
  • MAF change during cold weather with a P01P0 code on a 2011 Nissan Altima

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Opel astra issue

Hello, thanks for writing in about your Opel Astra. For an issue like this, I would recommend taking the car to the nearest dealer to have the computer re-flashed along with the new key. This is usually what it takes...

Q: Why are my warning lights on in my 2007 Nissan Altima

Hello. These lights can come on for a number of issues. It can be from a failing battery, a bad sensor, a computer problem, or a number of other issues. The computer needs to be scanned for codes first in...

Q: What is causing my car to shut down when I make turns

Hello, thank you for writing in. The vehicle is being limited either physically due to an obstruction, or it is losing engine power during the turn. Any physical obstruction should be able to be located with a proper inspection. This...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...