Check the oil dipstick. if it is milky white that is evidence of water or moisture. also remove the oil fill cap from the valve cover and look for moisture
Disconnect the negative battery cable for about two minutes and that should reset your check engine light.
The check engine light on a 2005 Jeep Grand Cherokee looks like this... Here is a link Check Engine Light It looks like a little yellow engine.
It could.
A flashing check engine light normally means you have a misfire.
There are several reasons why a check engine light could be on a 1995 Jeep Cherokee Sport. A few reasons are a loose gas cap, spark plugs, or low oil.
Go to your local Auto Parts store and ask them to check you Jeep on their computer. They should be able to give you a print out of everything that is going on with your Jeep.
There are pages and pages of things that can cause a check engine light. Have the code checked with a scanner.
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
With a scan too or with a battery disconnect.
The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, a check engine light is lit when there is a problem in the emissions or somthing that is affecting the effectiveness of the emissions.
Why would you want it to come on. Its not on because theres nothing wrong with your engine.
If the check engine line is flashing then that means there is a real problem and you should have it looked at, But if the light is on and NOT flashing the it is most likely a problem with the emmisions system and most likely an oxygen sensor.