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How do I test my air valve LH 2.0 84 244 200

posted by  outofworkjoe on  Fri Mar 13 02:23 CST 2009
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last visit: Wed Mar 17 02:41 CST 2010
[RELATED]

Am I cant get my Idle below 1000, Ive try to ground out the blue and white test plug, I don't feel the humming coming from the air valve,all vacuum lines good ,I also hear the throttle switch click.








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    How do I test my air valve LH 2.0 84 244 200

    posted by  outofworkjoe on  Sat Mar 14 05:02 CST 2009
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    last visit: Wed Mar 17 02:41 CST 2010
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    Got it!seems that the TPS was adjustment was off close it down and made some adjustments to Linkage ,and now its down to 740.Also my RPM gauge in the dash is off some reading 990,use my multimeter.








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    How do I test my air valve LH 2.0 84 244 200

    uid 27's pic
    posted by  Art Benstein on  Fri Mar 13 02:49 CST 2009
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    last visit: Fri Oct 17 20:10 CST 2014
    [RELATED]

    Hi there,

    I've found corrosion on the connector before. If you suspect the 1000 rpm idle is due to the valve with throttle plate and bypass screw closed tight, you can confirm the air path with a plastic bag.









    --
    Art Benstein near Baltimore

    Be nice to your kids. They will choose your nursing home one day.








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      How do I test my air valve LH 2.0 84 244 200

      posted by  outofworkjoe on  Sat Mar 14 03:05 CST 2009
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      last visit: Wed Mar 17 02:41 CST 2010
      [RELATED]

      Well I tried this and the engine wont run,check the plug also looks good.








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        How do I test my air valve LH 2.0 84 244 200

        uid 27's pic
        posted by  Art Benstein on  Sat Mar 14 04:27 CST 2009
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        last visit: Fri Oct 17 20:10 CST 2014
        [RELATED]

        Do as Dan suggests and test the motor by first applying battery across pins 1 and 2, then 2 and 3, using the middle pin as common to +. It should flop both ways.

        If there's a possibility someone swapped the TPS plug for the idle motor plug, even for a short test, the ECU will need to be repaired or replaced. Confirm by back probing pins 10 and 23 on the ECU connector - while idling, each pin should average out less than battery voltage but greater than zero. Depending on your meter, the numbers may jump around. If either is steady +12 or 0, suspect the ECU is damaged.
        --
        Art Benstein near Baltimore

        Time flies like an arrow. Fruit flies like a banana.






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