Question about 1992 Ford Aerostar Extended
If your battery has enough power to start the engine then your alternator will not have anything to do with the rough running.
Theres a remote possibility the engine running too cold could cause the bad running. Replace the thermostat. You'll find it under the cover that the lower radiator hose connects to.
A far more probable cause is the MAF sensor. Its about $80.
Posted on Aug 04, 2010
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Posted on Jan 02, 2017
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