kalki Posted October 1, 2006 Share Posted October 1, 2006 When I start the Accord, the temperature gauge goes to the maximum hot indicator. The car's not even warmed-up and the gauge needle sits at the high position. I let the engine run for a bit on high RPMs to get it hot. Then the fans start and shut-off after the engine is cooled. But the gague always shows very hot. I don't think it's the coolant sensor that is sending the false reading. Is there anything else that would do this? How would I check something like this? Link to comment Share on other sites More sharing options...
EH6TunerDaniel Posted October 1, 2006 Share Posted October 1, 2006 Why don't you think it is the sensor sending the false signal? Link to comment Share on other sites More sharing options...
kalki Posted October 1, 2006 Author Share Posted October 1, 2006 Doesn't the coolant sensor tell the fans when to turn on and off? So if the fans are working normally, I am thinking that the coolant sensor is fine. There should be something else that is showing a high reading on the gauge. No? Link to comment Share on other sites More sharing options...
Kastigir Posted October 1, 2006 Share Posted October 1, 2006 I believe there are 2 sensors. 1 for the fans, the other for the gauge. Link to comment Share on other sites More sharing options...
cranny Posted October 1, 2006 Share Posted October 1, 2006 fan control comes from the ecu , which gets its info from the temp sensor. so they go hand in hand. id say its a bad gauge. bad ground or somin. polarity reversed. Link to comment Share on other sites More sharing options...
kalki Posted October 3, 2006 Author Share Posted October 3, 2006 Kastigir, When you say there are two sensors, does that mean two separate sensors at different locations? Or is that two sensors in one unit? Link to comment Share on other sites More sharing options...
Kastigir Posted October 3, 2006 Share Posted October 3, 2006 According to cranny I am wrong. I'll ask my Honda tech and see what he says. Link to comment Share on other sites More sharing options...
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