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Why would a message Coolant Sensor Bad still flash on the panel of a 1997 Jeep Grand Cherokee after replacing the coolant level sensor?
Wiki User
∙ 12y ago
There is one in the reservoir and one in the coolant tank. They probably replaced the one in the reservoir. My 96 is doing the same thing and the dealership replaced the one in the reservoir but the message is still coming up. I found out on another forum that it is the one in the tank that needs replaced. So I would check that out. Hope this helps.
if its not the sensor,its the sensor plug.if that doesn't help it is the connection to the computer on the firewall.its in back of the coolant reservoir.ive never heard of the tank thing,no such thing
also if there is air in your system, (air will enter from leaks in your system) when the air passes the sensor it throws out bad coolant sensor code, due to the rapid temp. change from that air bubble, if there is air in the system and not pumped out it can cause a blown head gasket, very expensive replacement
Wiki User
∙ 12y ago
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