Hmmm...from Swedespeed When you replace the fuel pump, you have to be VERY careful to avoid kinking the plastic hose. If it is kinked, you will see some of the same symptoms. I had to replace a fuel pump, and had those symptoms. Dealer foreman said maybe kinked hose. I had done the work, so had to p...

Shock...another kinked hose here in this thread

This guy might have the data we seek

viewtopic.php?t=80351

Shockwave...found this crawling the web, unverified

Link

https://www.picoauto.com/support/topic14491.html

Waveforms if ECU and PEM to drive pump

Shockwave, check out the comment from Brett Borders here https://www.matthewsvolvosite.com/2007- ... ent-154382

Also, I made your account MVS Contributor level, FWIW. Your documentation in this topic has enriched the forum.

Recap for my own edification (long thread) -Issue was reported with the car and pump/sender was replaced 6 months by an Indy before the dealer got to it. Pump/sender got replaced a second time by dealer 6 months before you bought it. -Since you've owned the car, you've replaced fuel filter, air filt...

Probably my verbiage, think we're in agreement inasmuch that your photos note nothing resembling any real corrosion but you had written that you had done some cleaning in taking things apart. I've used SuperLube synthetic grease and food grade silicone grease (from my dive kit) before but I would th...

Nice. Everybody have a drink today.

Abscate was on the scent. He gets two drinks.

Know it's noted as solved but I have a few questions for context when time permits, might be good for historical reference- This kinked hose is on the second fuel pump? Any record of fuel system warranty work done by a dealer to address symptoms BEFORE the first pump replacement by the Indy? Listed ...

I’ll do a full wrap up once this is fully resolved. The root cause has been found, but resolution has not been reached. Spoken like a true engineer. :D BTW, I appreciate everyone’s help along the way. It would have been nice if the PO just took it back to the dealer instead of unloading it indicati...