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PO 171 Code 850 1997

Pulling a hill at about 7000 feet and the car started hiccuping and losing power. Pulled off the road and noted it missed very slightly at idle. Ran it up to 4000 rpm and held there a bit with no problem. Continued driving with reduced power but no hiccups. Scanned it when I got home and found PO 171. Any suggestions? Thanks in advance.

97 850 GLT wagon w/soft turbo








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    PO 171 Code 850 1997

    System Too Lean = p0171

    Is your fuel filter clean?
    --
    My name is Klaus and I am a Volvoholic.








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      p0171 Code 850 1997

      Thanks Klaus. Do you have to actually pull the filter to check or can you check flow at the fuel rail?








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        p0171 Code 850 1997

        There is very little room to attach a gauge to the end of the fuel rail, much less to be able to see the gauge while you are driving and the engine is under load.
        It is possible that the fuel tank was on the low side and you were sucking air from the tank, depending on the incline.
        No, there is no definitive way to "test" the throughput on a filter, it either works or gets so gunked up that more pressure is needed to push fuel through. That scenerio will cause the fuel pump to over heat and eventually fail. The service manual has the filter replaced at 90K mile intervals.

        The higher the altitude, the leaner the mix because the air gets a little thin. Perhaps the ECU misread the altitude sensor readings? I never had problems going through CO mountain passes with my 850 or V70. But then, I do like to down shift a lot :)
        --
        My name is Klaus and I am a Volvoholic.








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        A strong army needs a strong economy behind it.

        Without roads and bridges your army can't move fast.

        If our Army is relying on our roads and bridges to maneuver then we have bigger problems than infrastructure. Namely an invading military occupation. Since we have only fought overseas in our collective lifetimes your point is lost on me.


        The Chinese learned that lesson from us. Knuckleheads like you still wonder with your heads in the sand.

        Please allow me a thought from the ranks of the knuckle platoon. Snoot and I were discussing the waste of taxpayer money in the Obama Stimulus Bill, and the current ear mark laden spending bill about to hit his desk. He made the point that previous national debt was largely military related spending, and that he wasn't displeased that at least this orgy of spending was on infrastructure. I pointed out to him A: We were attacked and were fighting a war that was in response to that attack. It would be immoral NOT to spend what we need to in order to support our troops that WE put into harms way. B: Obama's spending was NOT stimulus, it was mostly to buy votes. Your point was off topic with regards to that exchange of ideas.


        --
        “Things in life will not always run smoothly. Sometimes we will be rising towards the heights, and then all will seem to reverse itself and start downward. The great fact to remember is that the trend of civilization is forever upward.” Dr. Endicott








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          Off topic? Not.

          You are playing hypocrite again too. You change subjects all the time to avoid answering a hard question. The topic was government spending and thats what I'm posting on. Snoots point.

          "Throwing billions at a tax-evading subsidiary of the past employer of the former vice president despite a demonstrable track record of electrocuting soldiers and civilian support workers because of shoddy, low budget work performed by unqualified and underpaid third-world imported labor is not "military spending"."

          Your contention is this is fine when its for supposed military operations, but not fine domestically. That's poor thinking.

          "If our Army is relying on our roads and bridges to maneuver then we have bigger problems than infrastructure. Namely an invading military occupation. Since we have only fought overseas in our collective lifetimes your point is lost on me."

          That's because you are a knucklehead. The military does use public roads/rails to deploy. It also relies on the taxpaying public to buy its equipment. No economy, no taxes no army.

          "It would be immoral NOT to spend what we need to in order to support our troops that WE put into harms way."

          Who is we? YOU put our military in harms way by voting for the administration that picked a fight with the wrong guy. Osama Bin Laden wasn't in Iraq.








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          A strong army needs a strong economy behind it.

          O3V

          "A: We were attacked and were fighting a war that was in response to that attack." Another discussion maybe?

          "It would be immoral NOT to spend what we need to in order to support our troops that WE put into harms way."

          But not the friggin orgy I see every day, man!!!! I served nearly 27 years (with distinction.... If I may, and the shit I see, makes me wanna puke!! I send letters too!!!!!

          Straight up bullshit.... and I just see the bottom feeders. Makes me ashamed!

          Germain or not, I had to toss this in.

          Rush... I couldn't give three "shits". He just ain't on my map.

          Best

          Mike

          --
          64 220 (RIP, now he's parts on the hoof) - 65 220 - 68 220 (almost ready for the road), and a 66 130 (35k miles last year)








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          A strong army needs a strong economy behind it.

          Here is that lie again: "We were attacked etc..." Yes, the US was attacked, agreed, but not by Iraq. The US was attacked by Saudis, but the US didn't have the nerve to attack them. "Gee, your big brother just punched me, so I will smack his little brother." The US is still in Iraq because (just like Viet Nam) it is too hard to let go without leaving chaos behind. 'Nam healed itself after many years, as will Iraq once the US leaves. Support the troops by all means, just don't support the greedy buggers that sold Dubya on the war in the first place.

          I suppose the planet needs polar opposites to survive, not sure why. So now we have the Republicans and the Chinese Communists to fulfill that role in the way the planet works, politically. In my mind, a radical is a radical, regardless of which end of the spectrum they come from. Perhaps it is time for both philosophies to become closer to the center for all of us to survive.







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