Trouble w/my 1995 SSE, it has a P0117 code UPDATE it's back - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-29-2007, 07:54 PM   #11
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Quote:
Originally Posted by Archon
Was the coolant sensor replaced because of a problem with it? If it worked ok, you may want to try reinstalling the old one and see if things improve. Also, carefully check the wiring leading to the sensor.
Just finished putting the old one back in. The wires look good from what I can tell and I found the new sensor was a little dirty after removing it (a very light film on the sensing prob). I never noticed much of anything on the old sensor when I first removed it. Maybe it has something to do with the fact that I drained the system when I replaced all the hoses ans it distured some sediment in the system. I read the voltage at the connector for the sensor and I got 5.07v on the yellow wire, 3.955v on the green wire and the black is a ground.

Since I was reading a misfire when the code came back I went ahead and checked and cleaned the coils and the connection at the ignition module. I found the newer coil I bought from AutoZone was reading 9.5ohms on the secondary side, the other two were reading right at 7ohms. I still had the other one of the original three that were replacements from Advance Auto, so I reinstalled it. It also read 7 ohms. I'm not seeing anymore misfire at the moment and I got my fingers crossed that the old coolant sensor works as good as it did before I replaced it.
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Old 05-05-2007, 12:03 AM   #12
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Just a quick update. It must have been a defective sensor because I haven't had a problem since I reinstalled the old one.
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Old 05-05-2007, 12:37 AM   #13
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Great - glad to hear thatit appears to be okay now.
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