So sometimes my Jetta chugs and chugs but won’t start. The chugging is steady and does not die down or stop. There are no other noises than the chugging. If I wait anywhere from a few minutes to half an hour, the car starts with no problem. A few minutes wouldn’t bother me if I knew it would start, but waiting up to half hour is suspensful and frustrating. (I don’t try it every few minutes. I try it a couple of times and on two occasions I had to call AAA and then tried it several minutes or half an hour later and had to cancel AAA. Now I know not to call AAA.)
This happened 3 or 4 times. Each time it had rained most of the day. The garage doesn’t know what it could be. I read that moisture can affect the distributor cap and the spark plug wire insulation. Woud they have checked this? I also recall once I had a car that got moisture on the manifold but I forget if it wouldn’t start or stalled or what.
The only OBD code says P0440, which means a leak in the fuel tank vapor system or a vapor pressure sensor has malfunctioned.
Any ideas?