Your engine oil is as essential to your car as your blood is to your body. Without it, your motor won’t run. And just like a doctor can tell a lot about your health by testing your blood, you can ...
Gadget Review on MSN
The 5-Second Test That Spots Engine Death Before Your Warning Lights
Simple dipstick test reveals engine-killing problems in 5 seconds, spotting coolant leaks and oil contamination before dashboard warnings appear.
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