✕

The oxygen sensor only works when it's warm; therefore, upon start-up, it is ignored by the ECU.

Problems that go away when the car warms are usually because once the O2 sensor comes on line, the ECU can better control the engine.

posted by 24.22.13...

• Cold idle hunting. '88t, is this really the AMM? I have, nicknick , Thu, 15 Dec 2011 18:11:26
  • Re: Cold idle hunting. '88t, is this really the AMM? I have, CBS , Fri, 16 Dec 2011 13:52:17
  • nicknick , it doesn't seem like you read my long ......, johnd, Fri, 16 Dec 2011 12:39:44
    • to me it's more question about tools and knowledge, Siegfried, Sat, 17 Dec 2011 08:17:22
      • Zig , please correct me if I'm wrong , but doesn't ...., johnd, Sat, 17 Dec 2011 14:39:25
        • it depends on what you're trying to do, Siegfried, Sat, 17 Dec 2011 15:13:43
          • So does that mean that the movement of a gauge's......, johnd, Sat, 17 Dec 2011 16:14:21
            • No, it can not, Siegfried, Sun, 18 Dec 2011 03:06:58
    • Calibration test connector color code., Cmyles , Fri, 16 Dec 2011 14:05:23
    • I'm sorry, i actually meant to have someone else, nicknick , Fri, 16 Dec 2011 13:14:29
      • I'll try to get the wire color info and post back ....., johnd, Fri, 16 Dec 2011 14:01:25
  • Thanks all. Obviously, i don't have access to a known, nicknick , Fri, 16 Dec 2011 09:01:06
    • either to go replacing bits all way around, Siegfried, Fri, 16 Dec 2011 10:48:31
  • Hey Nick, been thru similar issues recently, nateh89spg, Fri, 16 Dec 2011 05:54:10
  • How about, vvack0matic , Fri, 16 Dec 2011 03:19:18
    • I'll bet you mean MPG not MPH, Cmyles , Fri, 16 Dec 2011 08:21:17
      • Woophs ment mpt (miles pr tank) :), vvack0matic , Fri, 16 Dec 2011 16:50:54
        • nothing is impossible, Siegfried, Sat, 17 Dec 2011 07:34:49
  • Re: Cold idle hunting. '88t, is this really the AMM? I have, JET AIR 900, Thu, 15 Dec 2011 23:12:37
    • Re: Cold idle hunting. '88t, is this really the AMM? I have, Cmyles , Fri, 16 Dec 2011 08:26:22
  • OK, that was confusing! It always starts fine. Only, nicknick , Thu, 15 Dec 2011 18:12:47
    • Re: OK, that was confusing! It always starts fine. Only, vvack0matic , Thu, 15 Dec 2011 18:24:42
      • Only one car has a dashpot, and this happens even, nicknick , Thu, 15 Dec 2011 18:49:59
        • Re: Only one car has a dashpot, and this happens even, Saabnutt, Thu, 15 Dec 2011 19:43:52
          • o2 sensor, 85turbosled, Thu, 15 Dec 2011 22:37:14
          • Re: Only one car has a dashpot, and this happens even, Hans, Thu, 15 Dec 2011 21:32:17 <-- Viewing This Message
          • What about the NTC sensor?, whitesaab, Thu, 15 Dec 2011 21:00:07
          • Re: Only one car has a dashpot, and this happens even, Cmyles , Thu, 15 Dec 2011 20:57:08
            • LH 2.2 cars have a test socket from which the AMM can.., johnd, Thu, 15 Dec 2011 22:30:15
              • Re: LH 2.2 cars have a test socket from which the AMM can.., 85turbosled, Thu, 15 Dec 2011 22:41:46

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