lacabrera wrote:
Hi yes I fully understand the principal for using a flow through pump the only problem with them is they are unreliable. Herein Europe the use of Diesel engine cars are far greater than in the states. If the car is equipped with a in tank lift pump they are fitted with a semi high pressure pump with a bypass system at the filter head returning un wanted fuel back to the tank. Examples are Fiat ducato vans, Jeep KK CRD, Grand Cherokee 3.0 CRD these all use a semi high pressure fuel pump with a pressure release valve built into the pump. The low pressure pumps are known to fail. 8 out of 10 4 x 4 sold here will be a diesel and a more reliable lift pump had to be installed.
As you know all fuel injected gas engines use a high pressure fuel pump to deliver enough pressure for the injection system and are very reliable?
Why don't you get an inline flow through Kennedy diesel pump? It's almost $200 but it seems to hold pretty well for me so far. I only have a bit over 50k with it, but haven't heard anybody complaining about it so far. It puts out about 5 psi.
Thanks for your info but I am happy with my purpose made in tank fuel from a Liberty 2008 CRD, are you basically saying all car manufactures including Fiat are doing it wrong with there in tank fuel pump/sender? None use a 5 psi fuel pump? I think you get the Grand Cherokee CRD in the states just take a look at there in Tank fuel pump and plumbing.
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