Your question makes no sense at all, so I will assume you are asking about the Check Engine Light as that is the category you posted the question in. The check engine light is on because the ECU has detected a problem with the emissions system. Have the ECU scanned with an OBD2 scan tool which will retrieve the code that has been set. This code will tell you what part of the emissions system is being effected.
1.gold is a solution of gold containing some copper.it is the example of solid solution.
A neutral solution is a solution that has a pH level of seven. Pure water is an example of a neutral solution.
TEA
Brine
no
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You are a big problem. Your teacher is a good solution.
give an example of a solution that has 1 solvent and 2 solutes.
Salt water
A solution is anything that is dissolved in a liquid. For example salt in water (sometimes called brine).
Give an example of a mechanical mixture or solution that is made of: (b) two or more liquids
air