Electrical Draw when engine slowing down - CamaroZ28.Com Message Board


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Old 02-12-2017, 06:51 PM   #1
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Electrical Draw when engine slowing down

When I blip the throttle on my 00 Firebird with a 3.8, the electrical in the car dims for a sec around 2k rpm then goes back to normal. The battery is brand new. Does not have this problem when accelerating, only on the decel.

Any ideas?
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Old 02-13-2017, 07:02 PM   #2
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Re: Electrical Draw when engine slowing down

Just a thought, but when the engine suddenly decels, maybe the belt tensioner is unloading and the alternator slows down or even stops turning. Should be an indicator on the tensioner assembly that shows if the tensioner is operating in the correct position.
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