Category: Volvo Emissions and Fuel Economy

Emissions and fuel economy – the systems on our Volvos that work to give us drivers clean fuel efficiency like EVAP valves, purge valve, air pump, oxygen sensors etc. Also, fuel economy… city MPG and highway MPG.

240 Roadtrip -

10K Mile Roadtrip – What to Bring?

I am planning a spring trip from RI to Alaska, returning by way of CA and the southern route. The trip will probably be close to 10K miles. I want to have on hand critical, show stopping devices that would be hard to come by without ordering and waiting for parts. My List so far includes a good set of tools, oil, oil filter, fuel filter, air filter, radiator hoses, coolant, cell phone, cap, rotor, plugs and wires and transmission fluid. This is a 98 V70, early model low-pressure turbo AWD.

Roll Over Valve Hose Replacement -

DIY 1997 Volvo 850 Roll-Over Valve Hose Replacement

The past few times I’ve tried to fill up the gas tank the pump keeps shutting off after just a few seconds, no matter how slow you try to pump in the fuel. It took me a while to finally get the tank full. This is new behavior for this car. As part of the diagnosis, I decided to check out the roll over valve to make sure that it was allowing the vapor from the tank to pass through to the charcoal canister during fueling.