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A 1991 ford explorer is leaking oil badly and the lifters are making a lot of noise It also has fauled 2 plugs after you put all new ones in it what could be wrong?


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Wiki User
2015-07-15 21:23:53
2015-07-15 21:23:53

Find the leaks and tighten the bolts. Also you may want to try some heavy grade of oil...not too heavy but perhaps a grade or two heavier than what is currently in the engine. Also,there are some additives which can thicken oil and you can pick these up at an Auto Parts store.


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either replace them or add motor honey to go for a longer perion without noise....

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Probably sticky lifters, go to the parts store and get a product that frees sticky lifters and change the oil and filter and add the product to the oil and see if it frees them up.

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