1999 Olds Silouhette is back

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  • rpmauto&tire
    Junior Member
    • Mar 2009
    • 15

    1999 Olds Silouhette is back

    The 1999 Oldsmobile Silouhette I have been working on is back. The other day the temp gauge spiked on the customer while driving, coolant light came on, then it went into reduced engine power mode. I drove it this morning, the temp gauge was jumping all over the place, I had my scanner with me while driving it, and the temp was jumping all over the place as well. It never got above 232. When it got to 232 it instantly dropped back down to 198. I can't figure this one out. The customer said it overheated, but when I first looked at it it was not a bit low on coolant. Am I looking at a headgasket problem, or do you think maybe I have somekind of electrical problem. Any suggestions would be helpful. I want this thing out of my shop. Thanks for any help.
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