Nathanwhit1 Posted 3 hours ago Share Posted 3 hours ago Evening all how does the puff limiter valve work. I’ve been told it aids cold starting too ? Cheers Nathan Quote Link to comment https://www.bigmacktrucks.com/topic/76186-e6-350-puff-limiter-valve/ Share on other sites More sharing options...
fjh Posted 3 hours ago Share Posted 3 hours ago Sorry You were told wrong! 1 Quote Link to comment https://www.bigmacktrucks.com/topic/76186-e6-350-puff-limiter-valve/#findComment-586142 Share on other sites More sharing options...
Mark T Posted 1 hour ago Share Posted 1 hour ago Puff limiter does help for cold starts. When the parking brakes are applied, it allows the rack to go to fuel fuel so it can get as rich a mixture as possible for a cold start. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/76186-e6-350-puff-limiter-valve/#findComment-586148 Share on other sites More sharing options...
fjh Posted 1 hour ago Share Posted 1 hour ago 16 minutes ago, Mark T said: Puff limiter does help for cold starts. When the parking brakes are applied, it allows the rack to go to fuel fuel so it can get as rich a mixture as possible for a cold start. So Mark just to be clear the puff limiter is not working at that point ! Hopefully no one is starting a truck with the park brakes released ! 😂 Quote Link to comment https://www.bigmacktrucks.com/topic/76186-e6-350-puff-limiter-valve/#findComment-586149 Share on other sites More sharing options...
67RModel Posted 1 hour ago Share Posted 1 hour ago Read through this entire thread. It will explain it as well as the E7 LDA system. I went down this rabbit hole a few years back Quote Link to comment https://www.bigmacktrucks.com/topic/76186-e6-350-puff-limiter-valve/#findComment-586150 Share on other sites More sharing options...
Mark T Posted 42 minutes ago Share Posted 42 minutes ago Parking brakes applied. If no air is going to release the parking brakes, none is going to the puff limiter. This allows the rack to move to the full fuel position. Even if it is only cranking, still allows as much fuel as possible if you have the throttle to the floor. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/76186-e6-350-puff-limiter-valve/#findComment-586153 Share on other sites More sharing options...
Geoff Weeks Posted 14 minutes ago Share Posted 14 minutes ago 25 minutes ago, Mark T said: Parking brakes applied. If no air is going to release the parking brakes, none is going to the puff limiter. This allows the rack to move to the full fuel position. Even if it is only cranking, still allows as much fuel as possible if you have the throttle to the floor. Na, it is beacuse if you are a rookie, and trying to pull the loaded trailer with parking brakes on, you need full power available! 1 Quote Link to comment https://www.bigmacktrucks.com/topic/76186-e6-350-puff-limiter-valve/#findComment-586154 Share on other sites More sharing options...
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