The check engin light is illuminated on my 2012 VW Passat. I filled the tank on Sunday and the problem started Monday morning. My fuel economy has dropped. When I opened the gas tank door, I notice there is not tank flap (I can see straight down into the tank). Can the flap get stuck open and cause a secondary air sensor to malfunction?
Remove filler hose either reset spring in groves or replace. Best place to find those small springs are in kids toys.
If the flap is intact you can try spraying some wd-40 on its hinge. If its missing you need a filler neck for your fuel tank.
SOURCE: Tank Flap - Electric : Will not open
I have a 2003 passat with the same problem, i noticed that the little nipple on the left hand side that releases to open the flap was inside the hole its self .
The book tells you nothing regarding this and i couldnt find on the internet how to get to it other than taking off the guard above the wheel and getting it that way.
I went out today and took the carpet away from the side of the boot closest to where the flap was.
I then saw the flap solenoid which had 2 little wires and a rod attached. The solenoid or motor as i call it was held on by two little bolts which i took off and had look at it but to be honest i had no idea what so ever as to what it should look like or do ha ha.
The rod that is attcahed to solenoid is the rod that comes through the hole to keep flap closed or to release it. I pushed the rod and couldnt see hyow it would release and hold so i took the rod off the motor and pushed the end of the motor that the hook was attached to and it made a noise i hadnt heard before but it was one of those good noises lol i didnt have any wd40 to spray on it as i used this for something else so i used some vaseline to rub on the end where the hooked rod goes onto and put the rod back on.
I then put the bit that comes through to lock or release into position and then bolted solenoid back in place and connected the wire again went to check thinking i am not that lucky and hey presto all mine needed was bit of lube lol and without the dirt and hassle of taking of the guard above the wheel.
Hope this helps as there is no way of opening this manually as i was told this monday when i called vw.
Shell
SOURCE: 2002 VW Jetta WAGON GAS TANK DOOR LOCKED
look for an emergency pull cable in the boot (trunk) it should have one
SOURCE: car door will not open. vw 1.8 1999 passat
remove door panel and check actuator for power and that actuator rod is connected and the plastic clip did not break or pop off
SOURCE: 96 vw passat door problems. driver side door wont
Call me 1-336-835-2180 10am-11pm 7 days a week eastern. Ask for R.C. and I'll be glad to tell you what all it takes. If you look at the other doors that will open you will notice a lever on the side of the latch it will release the latch. with the door open flip the latch and open it so you can see how it works. Also you can take the door panel partly loose. You will not get all the screws out. You can get enough out to pull the door panel out and reach into the door, pull the rod from the door handle and open it. Once the door is open there is a torque bit screw in the end of the door that holds the outside door handle on take it out, pull the door handle out and you will find a pin out or broke in the door handle. Take a handle on the door that works so you can see the difference. To do the back door on a 4 door you have to take out the interior panel that the top holder of the seat belt goes through to get to the screws in the end of the door panel just to get the interior door panel off to reach in. You can replace the rool pin with a screw, but be sure it's tight because it will back itself out and you'll have to do it all again. Been there and done that. Ha Ha. If you need more than this just call. I'm in North Carolina.
SOURCE: gas gauge malfunction and engine light stays on
This is a common problem with Malibu's. It is due to cheap metal in the fuel gage that corrodes. Chevrolet knows about this but they refuse to issue a fix. The check engine light staying on and the faulty fuel gage are related. This is a defect and they need to recall this part! Raise hell with the dealership!
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Remove filler neck and you will see the spring has either broken or been sprung.
Either you can reset the spring or replace it. Best place to find those small springs are on children's toys.
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