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  1. Re: '93 4.0L Replaced Seized Alternator, but now engine lumbers

    Raymond, I hate to be the bearer of bad news, but it sounds like you have a blown head gasket. It is not the end of the world, but it will need to be replaced
  2. Re: '93 4.0L Replaced Seized Alternator, but now engine lumbers

    I didn't want to cry doom on this, but yes that is what we need to determine. Might just be a head gasket though
  3. Re: '93 4.0L Replaced Seized Alternator, but now engine lumbers

    A shaking engine usually means a miss. And yes, let it run and pull one plug wire at a time and when it doesn't make any changes, that is the one that misses. Better be checking your oil, and you...
  4. Re: '93 4.0L Replaced Seized Alternator, but now engine lumbers

    By lumbering, could you possibly mean misses and runs rough?
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