2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Intermittant buzzer

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Old 08-15-06, 09:23 AM
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Intermittant buzzer

Just riding down the road and the warning buzzer sounds for maybe 2-3 seconds and then quits. Oil level is fine; water level is fine. Not redlining. I'm guessing that maybe the sensor wires, connections or maybe a sensor itself is to blame. Anyone else ever had this problem? How is it fixed?

The results of the search I ran frequently referenced a similar problem when making a sharp turn, but mine is truly intermittant and happens driving straight. Doesn't happen every time I drive the car.
Old 08-15-06, 04:31 PM
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Any error codes on the ECU??

Could be a loose sensor connector.
Old 08-15-06, 04:37 PM
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i had that problem when I had some air bubbles in my cooling system
Old 08-15-06, 08:13 PM
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bubbles in the coolant
Old 08-15-06, 08:23 PM
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My coolant sensor always goes off randomly. How do you get bubbles out.

Actually it goes off at the same spots on the roads that I drive often. Its really weird, I guess it's just the certian forces that are just right in certian turns.
Old 08-16-06, 07:14 AM
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Originally Posted by RX-7tII88
My coolant sensor always goes off randomly. How do you get bubbles out.

Actually it goes off at the same spots on the roads that I drive often. Its really weird, I guess it's just the certian forces that are just right in certian turns.
Mine went off on the interstate after I had jsut refilled it. It probably did it about 20 times. My girlfriend who was trying to sleep wasn't too happy...

Anywho, I just bled it.
Old 08-16-06, 09:40 AM
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Well, to follow up with the results....the coolant level was actually the culprit. I thought the coolant was OK because I had drained, flushed and refilled the coolant system back in June. That, plus the car was not running hot. Evidently, the bubbles in the system that I thought I had worked out worked themselves through. Added coolant through the upper fill cap and problem solved.

Sometimes we act like noobs even though we aren't! But i did check the coolant and oil senders. They were OK and not loose.
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