can a bad spark plug cause a loud squeal when firsr starting engine?
i know a belt can cause the squeal but i had my car checked and they said it wasnt the belt. he did say my #3 spark plug is oily or greesy so i dont know if that could be the possible root? a neighbor who works on cars said to replace ac pump\ water pump
Those are all wonderful answers, well, most of them.
Here's what happens.
As your battery just sits there overnight, it looses some of it's charge supplying power to the clock, radio memory, computer, alarm, etc.
When
Looking at spark plug firing tips can indicate if your 
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There are generally four different reasons why a spark plug would need to change and they all have different effects that you will need to keep an eye out for as this sort of observation sometimes passes the mechanics who give it the regular check ups eyes. The first and most common cause for the need to replace your spark plugs are of course time
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