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

2006-11-16 12:08:12 · 5 answers · asked by ANGEL C 1 in Cars & Transportation Car Makes Chevrolet

5 answers

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.

2006-11-16 12:22:38 · answer #1 · answered by nanaofthree 4 · 0 0

P0440 is a evaporative emissions leak.It may be a loose gas cap or a vent line or solenoid that controls the charcoal canister.The charcoal canister stores fuel vapors from your fuel tank.Check your gas cap and and vacumn lines on the engine or at the canister.There are many possible items that can cause this code ,but the cap is the most common .Usually just left loose or the strap is caught in the cap.You did not state year make or model of your vehicle,so a guess is all that can be made.

2006-11-16 15:04:12 · answer #2 · answered by ozy 3 · 0 0

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?

2006-11-16 14:59:37 · answer #3 · answered by deltech 4 · 0 0

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

2006-11-16 12:35:00 · answer #4 · answered by Anonymous · 0 0

if you put gas in while it was running that will set a code. if not you should take it to a shop that has a tech 2 scan tool, they can run a evap test on it, and find the problem.

2006-11-16 15:13:43 · answer #5 · answered by whatup 2 · 0 0

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