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Question:

How do you fix trouble code P0 440?

check engine light is on. Scanner says evaporative system malfunction.???P0 440??

Answer:

You need to know what the code is for your car dealer may help and some mechans have books listing codes. The code tells you waht sensor is at fault
Take it to dealer and have them run a smoke test on evap system. Only way to find out for sure where leak is.I assume you already checked gas cap right?
I had the same code on my car. Is could be a series of things.eg; worn gas cap, a cracked or loose hose,(something to do with the emission system) evap canister. If you can find a reliable and decent mechanic they should be able to repair and replace the part.If you have an auto zone store in your state, they can check your check engine light for you at no cost.Take that reading code to your mechanic.
need to be done at tyre workshop and balance

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