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7

If the alternator belt has lots of oil on it, replace it - it may be slipping. Clean the area fully, and try again. If the alternator isn't producing more than about 12.5 volts (13.5 is normal - but it will depend on the battery load), you'll have to replace the alternator. The oil could have caused the problem, but on a 2002 car, it could also just be old ...


7

Your alternator should be producing 14 volts, 12 volts is way below what it should be producing. It's likely the alternator or voltage regulator (usually part of the alternator itself), especially if it did get a load of oil in it, but you should check the belt is in good condition and isn't loose before you replace anything.


4

You can spend time identifying which cylinder is bad but in the end you need to replace both head gaskets If both head gaskets aren't failing the other one will fail soon. You may not know it yet but you don't want to replace just the single head gasket. You want to do both. If I were in your position I'd just order two new head gaskets and get on with it ...


3

Your alternator is dead and does not produce electricity anymore. You are running your electric system on battery power - that's why you got home with a new battery (they sell them charged). Oil is a good reason for an alternator to die (brushes spark and wear out quickly when oiled). 99.9% sucessful strategy to fix the situation: Charge both batteries. ...


3

In 1987 vehicle manufacturers were struggling to meet the emissions standards Valve overlap, while a performance gain, is not necessary for an ICE to run properly. Valve overlap will allow un-burned fuel to scavenge the combustion chamber of carbon dioxide to ensure a well oxygenated air/fuel charge. Emissions standards drive much of the engine and ...


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