Question about 2003 GMC Sierra 1500
Different car manufacturers use different symbols, so it's impossible to guess without knowing your make & model.
The Engine symbol is not usually for oil, it is usually the "Engine Management" light.
It could be the one that means your car is due for a service, although this is often the light with a picture of a spanner.
Posted on Nov 19, 2009
Its probably the check engine light - a sign that something is going wrong with the car. Take it to a local auto parts store and get them to scan the engine code - its free. Once you get the code they can look up what the issue is. If you're not noticing it driving badly just yet, its probably a sensor that is going bad
Posted on Nov 19, 2009
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Posted on Jan 02, 2017
A few items come to mind...first, check engine oil for fuel contamination. If you're not sure after a "smell test",
Put a drop on a piece of looseleaf paper. Put a drop of fresh unused oil on another paper. If the old oil forms a wider stain that seems to have a "halo" around it, when compared to the fresh oil, most likely it has fuel in it.When doing these tests use only cold oil. Warm oil will spread faster and give a false reading.
Do a simple "rub test" wipe the dipstick between your thumb and forefinger and rub your fingers together. Repeat with fresh oil. If there is a substantial difference in the "oilyness" between the two, then the oil has broken down. The difference will be extremely obvious if fuel contaminated.
If you determine a fuel problem exists, it likely is from a leaking injector. If the oil is just deteriorated, try using a better quality oil, and definitely nothing with a 5w first number (unless it's a full synthetic). I'd use a 40 as the second number.
Posted on Oct 09, 2009
It will have to be cleared with a code reader,but the code needs to be read to see why,it is on,there is another reason for it to come on,not the past due oil change,If this was at all helpful,please rate,thank you.
Posted on Jun 29, 2010
check engine lite does not come on when oil change is due. This usually happens when there is an emissions problem.
Posted on Nov 17, 2011
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