What is your question?
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What is your question?
Bought altima 2011 base (4D) brand new. The mileage is low: 46.6k miles for 9 years. Mainly used for short drive to work or grocery In the past year the engine light has been on for multiple times. At the beginning the code is P0101. Tried multiple things, and the code comes up in a few weeks or a few months: bought a new gas tank cap, replaced engine air filter, cleaned mass air sensor, replaced mass air sensor. Recently there is another code show up P0456. any suggestions where to check? There are couple things I can think of that might be relavent: - engine oil is consumed somehow. I put about 4.75 qt engine oil each time about every 6 months, and recenlty noticed the decanted old oil is quite less, guess about 4.0 qt or so. Maybe there is small leak, but no oil stain observed beneath the car. - The car hit curb and pit hole several times, the cover underneath the engine was ripped off once (replaced), front right wheel was slighted bent - battery red pole get rust quickly
What makes this problem better or worse?
not found yet
How long has your 2011 Nissan Altima had this problem?
a year
1 Reply
P0456 is totally evaporative emissions related, such as with fuel cap or other system vapor leakage. Testing is needed hands on and diagnostic tool on. I do not see perceived oil consumption as a concern here. Suspension and shield concerns are not part of your check engine concern. Battery corrosion should be regularly monitored and cleaned. Diagnostic testing with a high end diagnostic tool and a shop manual performed by an experienced Nissan technician would be highly recommended. https://repairpal.com/repair-shops/nissan-repair-and-service-in-bothell-washington