Question about 2004 Chevrolet Impala

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I waited a few thousand mile over before i got my oil changed. Got my oil changed and now the check engine light is on

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Get into menu and erase the over 100 percent on oil life and then try it you need to pull the oil life up on screen on dash or where ever it reads out and hold button in for 5+ sec till it displays 0 percent oil life again this should solve your eng light condition

Posted on Oct 07, 2009

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The two are unrelated, this ligh has nothing to do with the oil. read the post for full details.
Why my Check Engine/Service Engines Soon light comes on?
The engine computer or PCM/ECM
All modern vehicles have a computer or the ECM (Electronic Control Module) that controls the operation of the vehicle powertrain (the engine and transmission). The main purpose of this is to keep the engine running at top efficiency with the lowest possible emissions. With constantly growing demands for better fuel economy and new strictest emission regulations it's not very easy to achieve. The engine parameters need to be constantly and precisely adjusted according to various conditions such as speed, load, engine temperature, gasoline quality, ambient air temperature, road conditions, etc. That's why today's cars have much more electronics than in early days - there is a large number of various sensors and other electronic devices that help the vehicle computer or ECM to precisely control the engine and transmission operation and monitor emissions.
The vehicle computer system has self-testing capability. When the computer senses that there is a problem with some of the components it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and your car needs to be looked at. To properly diagnose what is wrong, you need to take your car to a mechanic or a dealer. The technician at the dealership or a garage will then hook up the scanner to the car computer and retrieve the stored trouble code(s). Then he (she) will look it up in the service manual provided by a car manufacturer. The service manual contains the list of possible codes (about few hundreds) and describes what each code means and what needs to be tested. The code itself doesn't tell exactly what component is defective - it only indicates where to look, what engine parameter is out of normal range. The technician will have to perform further testing to pinpoint a defective part

Posted on Oct 07, 2009

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Posted on Jan 02, 2017

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At 28,066 dealer oil change. At 28,778 dealer flushed engine to remove sludge build up and changed oil. At 30,835 miles inspection, dealer flushed engine to clean out sludge and changed oil. At 34,630...


First dealer was NOT doing you any justice. Next oil change run a can of GUNK engine flush let idle 5-10 mins then change Oil & Filter and use a good oil like Castrol or Valvoline 10w-30. You won't have "supposed" sludge build up.

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I have 53,274 miles on my milan. My check engine light just came on while I was driving to work. Its running smooth no glitchez or hiccups. Dont understand why it would come on.I give it regular oil...


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2 Answers

How often for oil changes


every 6000miles with a oil filter every third oil change ,use the cheapest oil from supermarket natural or synthetic it doesnt matter ,even mix them not a problem ,inside of engine will stay clean and like this it will run forever and a day

Nov 18, 2010 | 2005 Dodge Ram

2 Answers

My check engine light came on (blinking) I know that I am behind in oil changes, and I checked my oil, it is low. Will this cause the light to blink?


Your check engine light---indicates a possible system failure,nothing to do with oil
You have it checked for codes,diagnose the issue and repair

Your oil should never be low.
If you go as much as 5000 miles on an oil change and really drive it hard,you may loose a 1/2 qt in 5,000 miles

Oct 23, 2010 | 2007 Hyundai Entourage Limited Minivan

1 Answer

How often do it need an tune up,oil change engine coolant and brakes changed?wen to check the oil


this depends on how you drive and how many miles you have on your car and what type oil you are using, on a 1994 you should do a tune up every 30 to 40 thousand miles. You need to do a engine clean then change oil. if you use a good quality oil you can go every 3 to 5 thousand miles on changing oil. You need to change the oil in the drive train after 30 thousand miles and the transmission oil and filter should be changed every 30 thousand miles. Also the Thermostat and antifreeze should be changed every two years to make sure the anti freeze is still lubricating the water pump. Failure to change antifreeze has burt up more engines than I can recall. Check oil in the morning when cold. Check the transmission oil when hot and in park. If you want more detailed information post here.

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Check engine light/2003 toyota CE


your car engine may have some hidden problem, suggest you take it to dealer workshop to have you car ECU scan and it will resolve the problem once and for all.

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Servicing cars


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Sep 24, 2008 | 2003 Toyota Corolla

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