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<p>[QUOTE=&quot;Misterj313, post: 11319464, member: 222060&quot;]After months of a couple psi of turbo loss, and a squeaking engine brake, loss of fuel mileage, I finally figure out it must be the epg.&nbsp; My fan clutch has been squeaking as well recently.&nbsp; Yesterday it was raining and I went to use my engine brake to slow down on an off ramp and it just sounded like air with water rushing through it.&nbsp; I then went to leave and I was down below 10 psi turbo and no acceleration at all.&nbsp; I guess this is my epg stuck closed?&nbsp; The psi would eventually return to around 18 psi and have some power but i used to get 30 and had been around 27 for a month.&nbsp; The epg parts are really expensive on this.&nbsp; Is it worth trying to clean it?&nbsp; I havent found any aftermarket at all. Epg 20722238 06 volvo d12.&nbsp; $1000, valve $600...&nbsp; if i block off the intake i just lose my level 1 exhaust brake?&nbsp; Apply air pressure to get it fully opened?&nbsp; Thats what ive gathered reading all these posts.&nbsp; Any help appreciated.[/QUOTE]</p><p><br /></p>

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