What is wrong when service engine soon light comes on?

What is wrong when service engine soon light comes on?

The Check Engine/Service Engine Soon light comes on when there is an emissions, ignition, fuel system or transmission related failure. If the light is flashing, this is more serious. If the vehicle continues to be driven in this condition it could lead to very costly emission repairs.

How do you turn off the service engine light on a Nissan Quest?

How to Turn Off a Check Engine Light on a Nissan

  1. Open the driver’s side door and get into the drivers seat.
  2. Insert the key into the ignition and turn it a quarter turn so the ignition turns on, but the engine doesn’t start.
  3. Step on the gas pedal and quickly release it.
  4. Wait 10 seconds.

Why is my Nissan engine light on?

Occasionally, a loose gas cap can trigger a fault in the emissions system which could cause the Malfunction Indicator Light to come on. Components such as the O2 sensor, catalytic converter, mass air flow sensor, or spark plug wires are common causes of a Malfunction Indicator Light.

How do you reset the check engine light on a 2012 Nissan Quest?

Turn the ignition key to position “ON” without starting the engine and wait 3 seconds. Fully press and release the accelerator pedal five times within 5 seconds. Fully depress the accelerator pedal all the way to the floor and hold for ten seconds. until the CEL starts blinking.

How do I check my check engine light code without a Nissan?

How to clear the engine codes without a Nissan CONSULT or scan tool.

  1. Set ECM in Diagnostic Test Mode II (Self-diagnostic results).
  2. Fully depress the accelerator pedal and keep it for more than 10 seconds.
  3. Fully release the accelerator pedal, and confirm the DTC 0000 is displayed.
  4. Note:
  5. Note:

Is service engine soon light same as check engine light?

Answer: Both the check engine light and service engine soon light are the same. Both are indicators that a vehicle’s engine has identified an emissions related problem which might cause the engine to produce excessive emissions. If your vehicle’s service engine soon light is on, it will fail the smog test.