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Does oil contamination effect the CPS 200 1991

posted by  B.B. on  Sat Jun 24 17:02 CST 2023
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last visit: Mon Oct 6 13:15 CST 2014
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Hi Don,

See if you get any codes at port 2 and 6.

Clean the CPS connector, look carefully at the Harness pins to see if they are
damaged, or spread open. Use dielctric silicone or Penetrox on reassembly.

I heard from Dave Barton today and here is his take on sensor connectors:

"The only issues with sensor connectors that I can think of can be corrosion
on the contacts, which can be reduced using ACZP. Unless of course the pins
get damaged from abuse, bad removal, etc.
I have those connectors in my harness parts page:
https://www.prancingmoose.com/blackvinyl.html#EFIplugs"

ACZP = Anti Corrosion Zinc Paste = Penterox-A

You can also try disconnecting the battery for a minute to reset the ECUs.
This fixed my sudden no start condition in my 93 940. I wonder if that was a fluke, or if it will help you too.

Try the easy stuff first and see if you get any luck.

Bill





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New Does oil contamination effect the CPS [200][1991]
posted by  dnordin subscriber  on Thu Jun 22 21:26 CST 2023 >


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