i need any suggestions my car has been setting the p0440 code for a while. i have been over and over the vac lines and have not found any leaks. i changed the gas cap and reset the mil and it is back on again. any suggestions???
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i need any suggestions my car has been setting the p0440 code for a while. i have been over and over the vac lines and have not found any leaks. i changed the gas cap and reset the mil and it is back on again. any suggestions???
Welcome to the forums!
There is a sensor attached to the vac lines that is in a cylinder shaped close to the MAP sensor. I forget what that is called. I would figure out what that is and try replacing that. I have the same issue and I needed to replace that. But...I have a brain fart and can not think of the name
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