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VIEW    READ ONLY    PRINT   SAVE   A    A  ECT problem? Need some help posted by  v8volvo on  Sun Aug 14 13:45 CST 2005 Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS]     [IGNORE ALL POSTS] last visit: Sun Sep 20 16:22 CST 2009 [RELATED] What is code 21? I know 67 is normal; that (IIRC) is the neutral drive switch or clutch switch, which is not hooked up. 21 could be ECT though. It definitely sounds related to ECT, the way it is starting. Does it crank fast enough when hot? The only time that car ever gave me starting trouble was when its starter was dying; when it would get hot it would not crank fast enough. However, that has been replaced, so it should not be the problem. An ECT costs about $20 and takes two minutes to swap out. Give that a try. I also sent you a sheet in the folder of stuff that tells you what all the sensors should be reading under certain conditions (cold idle, warm idle, cruise, etc), and if you have a volt/ohm meter, you can back-probe the ECT plug and see what it is saying with the engine warm. If it is out of spec according to the sheet, you have found your problem. Mark this post as an answer to my question<- Use this feature to mark quality replies to your post. Select, copy to buffer, and paste anywhere: <a href="http://www.brickboard.com/V8/volvo/993845/ect_problem_need_help.html ">ECT problem? Need some help</a>

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• ECT problem? Need some help
  posted by  wongg3  on Sun Aug 14 16:54 CST 2005 > V

• ECT problem? Need some help
  posted by  v8volvo  on Sun Aug 14 13:45 CST 2005 > V
  • ECT problem? Need some help
    posted by  someone claiming to be Number400  on Mon Aug 15 06:11 CST 2005 > V
    • ECT problem? Need some help
      posted by  v8volvo  on Mon Aug 15 13:15 CST 2005 > V
    • ECT problem? Need some help
      posted by  Michael Yount  on Mon Aug 15 11:35 CST 2005 > V
      • ECT problem? Need some help
        posted by  Michael Yount  on Mon Aug 15 11:37 CST 2005 > V
        • ECT problem? Need some help
          posted by  v8volvo  on Mon Aug 15 13:13 CST 2005 > V
          • ECT problem? Need some help
            posted by  someone claiming to be Number400  on Tue Aug 16 05:18 CST 2005 > V
            • ECT problem? Need some help
              posted by  Michael Yount  on Tue Aug 16 06:25 CST 2005 > V

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