I am getting P0401 code.


Asked by Jul 25, 2015 at 03:35 PM about the 2002 Mitsubishi Lancer ES

Question type: Maintenance & Repair

I was getting P0403 code now, so I changed the solenoid.  Now, I am getting obd code
P0401,  I have cleaned the valve already checked with the vacuum and it opens and

3 Answers

Kelly Mayo

but did you spray it with carb cleaner all around it to make sure it doesnt have a vacuum leak..does the idle change??


Yes, I did use carb cleaner. However, I found one of the loose hose, and that has fixed the problem I think. I will drive around to see if that has fixed the problem.

1 out of 1 people think this is helpful.

P0401 code popped up again. I don't see any loose hoses. Any ideas? Could it be upstream oxygen sensor?

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