L200 very slow cranking but it starts

Discussion in 'Saturn L-series' started by dave9155, Jan 13, 2024.

  1. dave9155

    dave9155

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    The slow cranking started immediately with no warning and with just 2 days sitting. After engine warms up it's fine. Any thoughts. The batter is fairly new and the starter as well. Any thoughts?
     
    dave9155, Jan 13, 2024
    #1
  2. dave9155

    Derf

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    Defective battery or alternator diodes are failing and allowing current from the battery to drain to ground back through them. This drains the battery slowly or quickly but drains the battery on the same. If you love the car sit long enough, it will drain far enough not to start the car.

    Take the entire vehicle to AutoZone or similar and have them do a complete load test on the charging system. Bad diodes will be picked up easily. If that is the problem, new alternator is needed.

    Otherwise battery is likely not holding a charge.
    That will show on the test as well
     
    Derf, Nov 2, 2024
    #2
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