What's the worst damage a blown fuel pump can do?

[VFX]

What's the worst damage a blown fuel pump can do?

I have 90k km 2005 987 2.7L

It lost power & went into limp home mode on the weekend & then stalled once the revs were low enough as I approached a junction.

I had towed to a well known & respected Indy who said it was a blown fuel pump.

Fuel pump replaced and the car still wont start.

They now say that I need to replace all my plugs as they've been destroyed & that fuel flooded the whole shebang causing the failures.

What I want to know is at worse, what will a blown fuel pump do the engine?

How will it effect the heads? What sequence of events from the pump failure to head damage occurred?

I'm not hugely mechanically minded but to my mind, wouldn't the fuel filter catch the debris if the pump grenaded itself? Wouldn't the techs have spotted the fact that the heads were iffy whilst diagnosing the problems in the first place?

I've gone from a $500 replacement fuel pump to a potential head rebuild & not too happy.

Your thoughts & opinions requested!

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