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23 answers

It could be something as simple as a worn or loose alternator belt, it could be a bad alternator, it could be a bad connection to the battery (corroded battery terminals, or it could be that you have accessories on (A/C, Stereo system, windshield wipers, rear defroster) that are drawing more power that the alternator can provide at idle.

2006-07-11 04:28:37 · answer #1 · answered by fire4511 7 · 1 0

This is a normal occurance. Your alternator does not produce any power, or current, until the RPMs are increased. When your vehicle idles at 650-700 RPM, your alternator is turning at around 1800-2000 rpm. Some alternators do not engage until its RPMs are running at around 3000 RPM, at which your engine speed will be at approximately 900-1200 RPMS. If you continue to have any problems though, it would be recommended to take your vehicle to an automotive repair shop and have a diagnostics check done.

2006-07-11 12:31:01 · answer #2 · answered by Anonymous · 0 0

That is the alternator, when the engine is running faster, it's putting out more electricity, and when it's running slower, your lights dim. It's usually no problem unless you have alot of electrical needs ....for example...a high wattage sound system in your car. If you have a higher electrical need than normal, then all you have to do is get a higher watt alternator which can be purchased at any auto parts store, such as Hi/Lo, or AutoZone. Best of luck to you........

2006-07-11 11:28:31 · answer #3 · answered by cajunrescuemedic 6 · 0 0

It is absolutely normal. As a long time auto mechanic I have tested hundreds of vehicles for charging system problems and it,s very simple an alternator at idle speed does not produce as much current as it does at a higher speed.Unless you are having a problem with your battery going dead I wouldn,t worry about it.

2006-07-11 11:42:15 · answer #4 · answered by Iknowthisone 7 · 0 0

Check alternator

2006-07-11 11:26:06 · answer #5 · answered by Wounded duckmate 6 · 0 0

Alternator buddy

2006-07-11 13:33:06 · answer #6 · answered by waleedoo 1 · 0 0

Did any one think Regulator? Though it is in the alternator it coulbe the culprit. To fix it, you would have to replace the alternator. If you do it yourself, be sure to tighten the belt when done.

2006-07-11 19:25:32 · answer #7 · answered by R.W. 3 · 0 0

mine does the same its a civic honda/ acura thats what they do man dont worry about it its because when u idle the car almost shuts down then when u go it powers up its normal i have alot of friend that drive hondas and acuras and they all do that

2006-07-11 11:25:46 · answer #8 · answered by Anonymous · 0 0

The alternator is going out you should have it tested you can at almost any parts store

2006-07-11 20:39:42 · answer #9 · answered by Insanity 2 · 0 0

the battery could be weak or the alternator belt is loose,possibly very low idle. if older mod. could be voltage regulator

2006-07-11 17:16:41 · answer #10 · answered by Ron D 1 · 0 0

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