Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 1997 Honda Accord Idle Issues › Reply To: 1997 Honda Accord Idle Issues September 30, 2023 at 4:26 pm #1026368 Rahul JonesParticipant Yes. When a coolant temperature sensor is broken, the ECU will consider the high resistance as a negative temperature. This will make the ECU increase the RPM to warm the engine up faster.