Question about 1987 Ford Thunderbird

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I'm not getting fuel pressure to the fuel rail. What could be causing this? I've installed a new fuel filter and it has a new fuel pump. This is for a 1987 Ford Thunderbird V-6. Thanks for the help

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Check you fuel pump relay or your fuel pump shut off switch

Posted on May 20, 2009

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How to troubleshoot a no fuel problem, no fuel at fuel rail in a 2000 olds sillhouette.


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I have been working on a simular problem on my daughter's vehicle. with the following additional symptoms. It only fails while hot. Runing fuel preassure checks, I noticed that the preassure rises from 30 psi while running to 40 psi after turning off the hot engine. This is caused by the expansion of the fuel in the rail. I believe that this hgh preassure is causing the regulator to stick closed preventing the fuel to get to the rail during a restart, (as the preassure drops to 0 while the fuel pump does whirrrr during the startup proceedure). It seems to free up after it has cooled then works normally. We ordered a new regulator but haven't received it yet to see if this fixes the problem. There is a possibility that the problem is a weak pump that cannot overcome the stuck regulator but since all the checks are in spec, I'm leaning toward the regulator at the moment.

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try hooking up a fuel pressure test gauge to fuel rail pre filter and post filter and rev truck to 2500 rpm what is fuel pressure ?
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