rail pressure

  1. Longrange65

    Zero Rail Pressure when cranking

    New to this forum, but not to diesels. If this post is in the wrong place I apologize and will repost if necessary. My problem: I installed an Airdog 2 165gph lift pump and race plug this week, now I can’t get it to start nor does it have any rail pressure at all- literally zero. I did the lift...
  2. Gya0ma7ha

    LB7: Low rail pressure

    Hey guys, i'm a regular over at d-forum and had a question i wanted to post here as well. I'm having low rail pressure issues, like 16,000 at 1450us, which is stock. So, i'm thinking i need a new cp3. But, i was wondering if a lift pump or a new fprv could help. Any thoughts? Also, if anyone has...