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    Exhaust riser valves

    On both exhaust risers on my 4.3GL Volvo V6 there is a valve with a pipe going to the air filter. Can anyone tell me what they actually do and if they should blow into the air filter or suck from it? Also any ideas on what would happen if I didn't put them back and left a blanking plug in their...
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    Volvo 4.3GL Fuel Problem?

    Hi all, I did try to read through previous posts on this theme but can't find my exact problem. Hope someone can help. I have a Regal 1800LSR with a Volvo 4.3GL PEFS. When I took it out on Monday it took a lot more cranking to start than usual but once started appeared normal. At lower speeds...
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