2000 cabrio 31k miles and manual. Just had new coolant expansion tank done and proper coolant added. Was driving Friday and car always runs at 180 and the needle splitting the �0�. Usually just prior to the �0� and to the middle. Well while I was in a drive through for about 14min prob 62 degrees I noticed it has crept to the end of the �0�. Started driving and went back to normal and rested between �8� and �0�. Is this much fluctuation normal?
Discussion summary
YOUR RESEARCHAnother temp question.
1 matching discussions were examined; no attributable action/outcome evidence was detected. No consensus or repair conclusion is claimed.
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1 matching discussions · 5 captured posts examined · 0 partial discussions
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5 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
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Outcome without a verified action link
Started driving and went back to normal and rested between �8� and �0�.
No unique explicit quoted action; no causal link assigned
Generation: 20261026T191851Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Pesky drive thrus! Yes. My car quickly picks up temperature too when it's not getting fresh air to the radiators. I have noticed it in a drive thru as well.
Fantastic thank you.
Normal. If you really want to know what your actual temps are, connect a Bluetooth-style dongle to the OBDII port and see. Durametric will also work.
No worries. The temp will fluctuate a bit, it just shows that the thermostat is in it's dynamic range. These cars can easily overheat due to neglect of the coolant system. IF your needle passes the next index(unmarked) on the scale you need to start checking what is wrong. Even in full on driving it should not pass the next index.
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