It is a rabbit hole usually. There is an EVAP hose that goes to the fuel tank to catch the fuel evaporation. Sometimes it crumbles and you have air being sucked in via the EVAP solenoid. Other times the brake pedal seal in the brake booster fails and can suck air freely. Sometimes it is the hose go...

It is a rabbit hole usually. There is an EVAP hose that goes to the fuel tank to catch the fuel evaporation. Sometimes it crumbles and you have air being sucked in via the EVAP solenoid. Other times the brake pedal seal in the brake booster fails and can suck air freely. Sometimes it is the hose go...

MoVolvos wrote: ↑11 Mar 2024, 18:43 .
Perhaps it's a similar issue? Hope it does not lead you down a rabbit hole.
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2002 V70 XC - P0304, P0204, P0236, P0237
viewtopic.php?p=642607#p642607
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I'll try that this weekend thank you!

Hello, I recently removed my ETM because I am trying to diagnose a lean condition in my Volvo. The ETM was replaced with a Xemo model by the previous owner a few years ago. When I removed the air pipe going to the ETM (#31101214) where it connects to my ETM crumbled apart. I was hoping this was the ...