you dont say what vehicle it is but,are you sure the pipes on tank are correct way round also is pipe from tank to pump chaffed any where that could let it draw air in?[also make sure if pipe comes from tank unit that the metal pipe it fits onto is not corroded through.]
k
September 2009
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
