Why does my check engine light come on when I slow down?

Why does my check engine light come on when I slow down?

Some cars use the “check engine” light for the oil pressure. That would explain it; at low engine RPM the oil pressure drops enough to turn on the light. It could result from oil viscosity too low or , more likely , the bearings are getting “tired”, clearance is too great.

What are the 3 main warning lights warning gauges in your car?

There are three kinds of warning lights:

  • Oil Pressure Warning Light.
  • Temperature Warning Light.
  • Battery Low Warning Light.

    Why are all my dash lights coming on and then going off while driving down the road?

    The dash lights coming on and vehicle shutting down are, most likely, related to a charging system problem. It’s fairly common for all the dash lights to come on with no alternator output, low voltage can cause unusual electrical issues. The alternator should have been tested at the time of battery replacement.

    What are the most common dashboard warning lights?

    15 Common Warning Lights on Your Car’s Dashboard

    • Oil Pressure Light.
    • Tire Pressure Warning Light.
    • Engine Temperature Warning.
    • Traction Control Light.
    • Anti-lock Brake Warning Light.
    • Engine Warning (Check Engine Light)
    • Battery Alert.
    • Low Fuel Indicator.

    What does orange warning light mean?

    engine management system
    A red warning light generally indicates a serious issue with your car. An orange dashboard warning light means the engine management system – the computer that runs the engine – has detected a fault.

    Is it safe to drive with a warning light on?

    Safe to drive: Yes, if it’s always lit and there’s no loss of power. You should get it checked as soon as possible. No, if it’s flashing while you’re driving. Avoid heavy acceleration and high engine speed and stop the vehicle. Restart the engine after 2 minutes to reset the engine management system.

    What do all the warning lights on my car mean?

    Engine management light – shows when a sensor triggers an alert. Battery light – this symbol can mean the battery isn’t charging properly. Oil pressure light – normally caused by low oil pressure. Brake warning light – could be a sign the hydraulic brake system has failed.

    What to do if your car dashboard warning light is still flashing?

    Avoid heavy acceleration and high engine speed and stop the vehicle. Restart the engine after 2 minutes to reset the engine management system. If the light is still flashing, turn off the engine and contact us to report your breakdown.

    Is it safe to drive a car with flashing lights?

    Safe to drive: Yes, if it’s always lit and there’s no loss of power. You should get it checked as soon as possible. No, if it’s flashing while you’re driving. Avoid heavy acceleration and high engine speed and stop the vehicle.