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Engine light and and light is on all the time on 96lexus es300

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I just had a check engine light come on my 05 Lesaber and it syayed on all the time. My mechanic said that if the check engine light is flashing on and off then you should shut it down but if it just stays on you will be alright to finish a short trip. Mine just happened to be a vacum leak in the gas tank which they took steel wool and cleaned my gas filler neck The light has stayed off so far. Sometimes it's a gas cap thats gone bad.

Posted on Nov 26, 2014

  • Anonymous Nov 26, 2014

    As with Rubens suggestion Dan also is correct A flashing MIL Lamp is an indication of a Class A Cylinder Misfire that will ruin your exhaust converter Stop Using & have it diagnosed using the codes & do not install parts until a problem is found thru proper testing

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First your car needs to be scann for trouble codes, fix the problem and the light will go off by it self.

Posted on Nov 26, 2014

  • Anonymous Nov 26, 2014

    Ruben is right on Perfect Answer never clear any codes before or after a repair They will go away when the systems are repaired properly There are a few exceptions but I doubt you will be using professional tools

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All the time?

When you (first) notice any light on your dash,
you check for fault codes (OBD 2 Codes) within
24 hours or park the vehicle & not use it

You will ruin a vehicle using it with a problem & it
will cost you more & may be more difficult to find
all the problems

If your told to get a free code check-that Will Not tell
you what is wrong

Codes also have nothing to do with the need to replace
any parts

Until you have a vehicle tested & find a problem-- there is
no need for any parts

Posted on Nov 26, 2014

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Posted on Jan 02, 2017

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