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Where did the compression go? S70 1998

posted by  BobL on  Tue Sep 16 17:56 CST 2014
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last visit: Wed Oct 22 21:55 CST 2014
[RELATED]

I'm new to OBDII as well, but I checked for codes and there are none reported.

I need to locate the fuel relay and feel if it is energized. With my ear to the filler nozzle and ignition at II position, I do not hear a fuel pump. But neither do I understand if it runs continuously or not, because I don't see a return line on this fuel rail. This makes me think that there may be some kind of fuel pump shutoff when the rail is up to pressure.

I think I can physically inspect the cam sensor.

But still the ease of turning it over with a ratchet drive on the crank damper is disturbing.






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