Question about 2005 Toyota Highlander

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Service engine soon light is still on

Had oil change done how do you turn it off

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You should take the car and get the codes pulled (you can do this for free at autozone or advanced auto and they will tell you what the codes are and what they are for. Service engine lights are normally caused by emission related components...Oxygen sensor went bad, a cracked house and that sort of thing. Best to get the code and find out to be sure. On some vehicle it could be something as stupid as a bad gas cap (dodges are bad about this. Usually the only way to clear codes is by getting the auto parts store, or dealer to clear them. If on a budget you can disconnect the battery for 10 minutes, then reconnect it and it will clear the codes. If you haven't fixed whatever causes the Malfunction Indicator light (MIL) to come on it will eventually come back on.

Posted on Jun 04, 2009

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Your service engine soon light is not for engine oil service it's for your emissions . your maint light will come on for your oil change . You can goto Auto Zone and they will check why your check engine light is coming on and give you the codes

Posted on Jun 04, 2009

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Most dealers with a good meach on duty will turn it off for you with a meater it will take a cople min give him a little tip

Posted on Jun 04, 2009

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Engine management light on car runs fine


Service engine soon or check engine light? Engine light needs scanned for codes. Service engine soon is for oil changes and such. To get rid of service lights, turn the key on, press the gas pedal three times within five seconds. The light will flash. turn the key off. it's reset. At least check or change the oil and filter though.

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Service engine soon light


The service engine soon could be an indicator that you need to have minor maintenance done in the near future. I had a Grand Am that the service engine light would turn on when I was getting close to needing an oil change. You might check your owners manual for an exact reason as to why it turns on.

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I have a 1999 Plymouth Voyager Expresso, checked the oil stick & saw bubbles, is this a major repair?


Service engine soon light has nothing to do with the oil. It indicates that you have a problem in the electronics that control the engine and or the emission control system. You must get the system tested with a tool called a scanner to see what fault code was stored when the SES light was turned on. Please read your owners manual.

Apr 13, 2012 | 1999 Plymouth Voyager

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Why would my service engine soon light be on


  • Hi, I can help.
  • The service Engine Light Soon light means it's time for an oil change,

  • You can turn this light off real quick by following these steps.
  1. Turn the key to ACC.
  2. Press the gas pedal down all the was three times in fairly rapid succession.
  3. The service engine soon light will begin to blink and then disappear.
  4. Turn the key to off.
  5. now start your truck.
  6. The light will now be off.
  • This should be done after every oil change.
  • All the light means is that the PCM has indicated that you have driven the required miles for an oil change. A reminder light if you will.

  • If you have any comments please feel free to leave them here.
  • Hope this helps and thank you for using FixYa.

Regards, Tony

Aug 27, 2011 | 1999 Chevrolet Silverado 1500

2 Answers

"service engine soon" light on


should have two lights check engine and service engine soon.check engine means there is a malfunction.service soon is reprogrammable,when you change you oil. check you owners manual for reset.

Dec 04, 2010 | 2001 Buick Century

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Service Engine Soon light reset.


The Service Engine Soon light comes only when the engine computer control unit (called the PCM) senses a fault in the electronic controls of the engine and/or the emission system, it is not related to the oil change, there are about 200 possible faults that turn the light on, to know what has developed a problem you must have the system tested, this is called an OBD2 fault code test, Kragen and Autozone parts stores do this testing for free.


Jun 05, 2010 | 1997 Ford Thunderbird LX

1 Answer

Service engine soon light it on


it could be both but im guessing that you changed the oil before the exact time for it to be done . if so have some one reset the light for you im not sure exactly how to do it on the 03 century if you have the drivers manual it will tell you how to reset it.

May 21, 2010 | 2003 Buick Century

2 Answers

Service engine soon light came on


The computer or ECM constantly tests operation of all sensors and components. When any of the sensor signals is missing or out of normal range, the ECM sets a fault and illuminates the "Check Engine" or "Service Engine Soon" light also called MIL (Malfunction Indication Light) storing the corresponding Diagnostic Trouble Code (DTC) in the ECM memory.

The same happens if a mechanical component of controlled system fails. For example, mechanical problem inside the transmission also can turn the "check engine" light on. Even not properly closed gas cap will cause the "check engine" light to come on - the ECM constantly checks if the gas tank is sealed properly.

To sum up, when the "Check Engine" or "Service Engine Soon" light comes on and stays on, there is a problem with your vehicle. This could be a problem with the engine, transmission, or some emission-related component or system.

The stored trouble code can be retrieved with the special scan tool by the technician. The code itself does not tell exactly which part to replace, it only gives a direction where to look for - the technician has to perform certain tests specific for each code to find the exact cause of the problem.

Scanning for knowed exactly what fault code you have there.

Tell us news (remember rated this post).

Apr 14, 2010 | 1999 Buick Regal

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