Question about 1998 Volvo V70
If you look at your engine you will a silver fuel rail just at the front of the cylinder head. follow the rail to the air filter box side and you should see a blue cap on what looks like a schrader valve (if the cap is still there). unscrew the blue cap and carefully push in on the schrader valve, if the fuel system is ok there should be a good amount of fuel pressure and fuel will shoot out so be careful.
If there is no fuel that comes out and you've already replaced the pump and filter I don't have a whole lot for you. If there is fuel then I would call your Volvo dealer and see if your car has the extended warranty on the Electronic Throttle Module (ETM). Volvo extended the warranty for 10 yrs or 200,000 miles.
It could be a host of other things, but the ETM's are known to be prone to build up on the throttle blade and sometimes failure. There is also a very good software upgrade they can do to help the operation of the ETM's. I'm hoping your in the U.S.
There was a recall campaign 155 that was specifically for the ETM's
Hope this helps..
Posted on Feb 23, 2009
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