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If ECT Sensor replaced, anything else while there? 200 1984

posted by  TheBionic245 on  Fri Oct 31 04:38 CST 2008
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last visit: Mon Jun 22 13:07 CST 2009
[RELATED]

Hello-
It appears that I most likely have a coolant temperature sensor issue, based on the progressively worse symptoms over the past 4 weeks with the overnight temps dropping (VERY RICH 1st A.M. start/idle...then after couples minutes runs/starts/idles perfectly the whole day). 1984 B23F, LH. I do not have have the knowledge to fix this myself and am having my car towed to my Indie Volvo shop on Monday. If it is the ECT, would it be cheaper/wiser to have them clean (labor time/money) or just replace the fuel trap & hoses? It's probably never been done. Since I'll be taking the proverbial monetary "hit", should I have anything else checked/replaced/cleaned while the intake manifold is off? Any gaskets/seals also? Any insights very much appreciated, as always.

It's supposed to be mid/upper 60s today, which normally was plenty warm to get her going...but I think the plugs are fouled/flooded from repeated starting attempts over the past few days, I smell fuel immediately upon cranking but no-start, and read in the FAQ that excess fuel can trash the catalytic converter, which I need like another hole in my head. I was thinking of pulling/cleaning the spark plugs and trying once more to start it, since today is the warmest it has been and will be before Monday...and I could save the $70 2-mile tow.

Thank you,
Russ
--
Olga '84 245 stock, 128K








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    Update 200 1984

    posted by  TheBionic245 on  Wed Nov 5 04:20 CST 2008
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    last visit: Mon Jun 22 13:07 CST 2009
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    Just thought I'd post an update. I got Olga back today. It appears the problem was fouled & deteriorated ignition wires...and when my Indie showed them to me they looked terrible. So, a new set of wires, cap, and rotor has seemingly solved the problem. The car sat outside the shop last evening, with an overnight temp of 49, and the cold start/warm-up went smoothly this morning. Cold temps around freezing loom on the horizon, so we'll see what happens.

    Thanks again for your help.
    Russ
    --
    Olga '84 245 stock, 128K








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    If ECT Sensor replaced, anything else while there? 200 1984

    posted by  Herb Goltz on  Fri Oct 31 07:19 CST 2008
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    last visit: Fri Oct 24 13:23 CST 2014
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    Have you checked your fuel pressure regulator?

    Good luck!







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      If ECT Sensor replaced, anything else while there? 200 1984

      posted by  TheBionic245 on  Sat Nov 1 12:24 CST 2008
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      last visit: Mon Jun 22 13:07 CST 2009
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      Hello-
      Yes, it's fine...it was checked by a Volvo dealership mechanic I met at random, "out in the field" a few weeks back, but he only had a couple minutes. I appreciate your help and time.

      Russ
      --
      Olga '84 245 stock, 128K








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    If ECT Sensor replaced, anything else while there? 200 1984

    uid 34776's pic
    posted by  Ryan_R on  Fri Oct 31 05:31 CST 2008
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    last visit: Tue Sep 24 13:46 CST 2013
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    After 25 years, it's probably worth replacing the oil separator and flame trap hoses.

    -Ryan
    --

    Athens, Ohio
    1987 245 DL 314k, Dog-mobile
    1990 245 DL 134k M47, E-codes, GT Sway Bars
    1991 745 GL 300k, Regina, 23/21mm Turbo Sway Bars






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