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Great, idle at 200rpm smoke and shaking, just what i need! 700 89ti

posted by  someone claiming to be Gene Karshenboym on  Thu Dec 7 08:50 CST 2000 [RELATED]

Hey guys,

i need your help badly, those of you who helped me out with my heater, thanks. Now for my new problem, ok i get in and start my brick, all seems well at this point. Then i press the gas( in any gear selector position including drive), the idle drop to about 200rpm, the whole car shakes and black smoke pours out the tail pipe, btw it smells bad. If i try pressing the gas either of three things will happend, 1) car stalls, 2) rpms jump and down eraticly until i let go 3)RPMs go up a bit then when i let go they drop to 100 and slowly go back up. I hope to god this isn't expensive i love my brick but it loves my money, i cant afford an expensive repair. That is unless i sell my bike( If you know this is gonna cost a lot its a trek 8000 2001 $950 :-)

Thanks guys







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    Re: Great, idle at 200rpm smoke and shaking, just what i need! 700 89ti

    posted by  someone claiming to be Michael Hale on  Thu Dec 7 17:29 CST 2000 [RELATED]

    try disconnecting the air mass meter plug and see if it makes a difference. If memory serves, my 84 240 did this when the air mass meter went gunnybag. Let me know if this doesn't work.

    Mike

    84 240 223,600mi.







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      Re: Great, idle at 200rpm smoke and shaking, just what i need! 700 89ti

      posted by  someone claiming to be Gene Karshenboym on  Fri Dec 8 02:23 CST 2000 [RELATED]

      Hey Michael,

      I unplugged the air mass meter(is that the bosch thing on the air box).

      it ran better after i unplugged it, cleaned it and plugged it back in, no difference, then i shut down the engine, started it agian it was better but still not drivable. I, also unplegged some turbo hoses and found a little oil inside(is that normal?) i also found a huge piece of black mushy stuff(tar?!?!) on the ingintion coil ( thats the black cylinder on the top of te firewall right?) The car ran great exept it stalled out this moring twice right afteri cranked it(maybe i need to adjust idle?)

      THanks for your help,







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        Re: Great, idle at 200rpm smoke and shaking, just what i need! 700 89ti

        posted by  someone claiming to be Michael Hale on  Fri Dec 8 04:58 CST 2000 [RELATED]

        This might be a stretch, but you could try fiddling with the mixture adjustment screw on the air mass meter...there's a plug covering the screw located on top of the AMM, pop it off and slowly turn the screw to see if you can make any difference. If you can get it running better (or even if you can't), you probably ought to get a set of NGK or Bosch Super copper spark plugs(no platinums!) and replace the plugs--if it's been running this bad, the plugs are probably fouled and may be contributing to the problem. In terms of adjusting idle speed, there's a black knob just below the throttle, unscrew it slightly to increase idle, screw it in to decrease (I'm not familiar with that year, but I think all of the B23xf engines have it in the same general locale). Try to do any adjustments in baby steps so you don't risk getting things too out of wack. If you can get it running and drivable, it'd be good to take it a volvo mechanic to have the idle and mixture set (since it requires measuring voltage output at the AMM and having a tach gauge hooked up to the engine). Let me know what does/doesnt work.

        Mike







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          Re: Great, idle at 200rpm smoke and shaking, just what i need! 700 89ti

          posted by  someone claiming to be Gene K on  Sat Dec 9 06:15 CST 2000 [RELATED]

          Hey Mike,

          is there a chart which shows rmp's/to amm adjustments? How much do think this adjustments/repair will cost a an indepentend volvo shop? Can i hook up a volt meter and measure the amm's output myslef and set everything? One more thing, should there be ANY oil in the turbo air lines? How did oil get on the idle adjustments screw?

          Gene






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