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Squeal / Whine after engine turned off
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<blockquote data-quote="cobrajeff96" data-source="post: 1503779" data-attributes="member: 29141"><p>Oh ok, I thought you mean like it runs for a good while after power is removed. What you're describing is normal operation though.</p><p></p><p>If you're concerned about the system maintaining pressure, maybe consider changing fuel filters both internal sock filter and the external one inline with the feed path. </p><p></p><p>If air were actually getting into your system, that would mean fuel would simultaneously make it out of the system. Or maybe the pump is cavitating because you have a habit of running the car aggressively with an extremely low tank of fuel. Otherwise you'd have a pretty strong fuel smell around the car and in a garage. Possibly maybe one of the purge canister lines popped off the charcoal housing or the solenoid but that's an intermittent operation and if/when it happened you'd feel a brief loss/surge of power because the intake is pulling in unmetered air.</p><p></p><p>And FWIW, all components have lifespans. It could very be the pump is on its way out and its' letting you know it somehow.</p></blockquote><p></p>
[QUOTE="cobrajeff96, post: 1503779, member: 29141"] Oh ok, I thought you mean like it runs for a good while after power is removed. What you're describing is normal operation though. If you're concerned about the system maintaining pressure, maybe consider changing fuel filters both internal sock filter and the external one inline with the feed path. If air were actually getting into your system, that would mean fuel would simultaneously make it out of the system. Or maybe the pump is cavitating because you have a habit of running the car aggressively with an extremely low tank of fuel. Otherwise you'd have a pretty strong fuel smell around the car and in a garage. Possibly maybe one of the purge canister lines popped off the charcoal housing or the solenoid but that's an intermittent operation and if/when it happened you'd feel a brief loss/surge of power because the intake is pulling in unmetered air. And FWIW, all components have lifespans. It could very be the pump is on its way out and its' letting you know it somehow. [/QUOTE]
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