You have a filter on system that has a water sensor in it telling you it has sensed water in sytem .....usually water will drop to he bottom of bowl and shorts sensor so you will know you have water in sytem which is a killer to a diesel ....there will be a drain on it so you can filter out water in fuel
bg
March 2006
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix vans.