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Discussion Starter · #2 ·
check engine light

I have a problem with a check engine light. It's comes and goes. I had it read out and it said low fuel pressure. When the check engine light is on I notice a high pitched elec whinning sound coming from under the truck, when the light is off, I don't hear that sound.

Could that be a fuel pump problem, or a fuel filter problem?
 
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