How do you know if the check engine light is broken and not operating?

Asked by May 08, 2014 at 01:02 PM about the 2000 Dodge Neon 4 Dr ES Sedan

Question type: Maintenance & Repair

5 Answers

109,425

Turn the to the on position, the check engine light should come on for a few seconds then turn off, if there is no light then the bulb is either blown or someone has removed it cause it is on all of the time while driving.

1 of 1 people found this helpful.

But why is it not giving a code then for the not operating temp gauge?

109,425

There are the coolant temp sensors and senders, the gauge uses a sender not a sensor, the temp gauge is not part of the ECM so there for no code for a faulty gauge.

1 of 1 people found this helpful.

Oh okay. Thank you. Just it lists that there is a code for it not operating properly. So i assumed that there would be code for my gauge not working as i thought was sender.

109,425

Just remember, sensors are for computer, senders are for gauges.

1 of 1 people found this helpful.

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