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  #16  
Old November 7th, 2017, 10:21
RCP Phx RCP Phx is offline
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Re: Bogging, hesitation, rough idle, CEL

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Originally Posted by The_97_Sport View Post
ok i am going to check my alternator reluctor tonight and provide an update hopefully tonight.
There's no such thing! What are you going to test?
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  #17  
Old November 7th, 2017, 11:14
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Tim_MN Tim_MN is offline
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Re: Bogging, hesitation, rough idle, CEL

The dashboard gauge should read between 13.8/14.4 volts.

Issues with the turn signal multifunction switch on steering column are common. A new turn signal clicker relay is not expensive. Also make sure any trailer wiring was done correctly, and has not failed. Clean and snug the related ground connections.

Remove the battery and the alternator and have them Load Tested.
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Blanket caught in the rear liftgate latch. Now I can't open.
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  #18  
Old November 8th, 2017, 07:42
The_97_Sport The_97_Sport is offline
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Re: Bogging, hesitation, rough idle, CEL

wasn't able to get to load testing the alternator last night, but possibly this afternoon. i was reading online that its possible for Autozone or advanced auto parts to test alternators while they are still in the vehicle; can anyone confirm this?
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  #19  
Old November 8th, 2017, 11:15
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Tim_MN Tim_MN is offline
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Re: Bogging, hesitation, rough idle, CEL

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Originally Posted by The_97_Sport View Post
.. possible for Autozone or advanced auto parts to test alternators while they are still in the vehicle; can anyone confirm this?
Yes it can be done that way, but that is also the least accurate test method, and most likely to pass a weak alternator or battery.
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Originally Posted by bimmerjeeper

Blanket caught in the rear liftgate latch. Now I can't open.
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  #20  
Old November 8th, 2017, 19:20
The_97_Sport The_97_Sport is offline
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Re: Bogging, hesitation, rough idle, CEL

I checked the voltage at the battery during idle and the multimeter read 14.1 to 14.2V.
when the idle bogs down it drops to about 13.1ish, but then jumps right up to idle speed again and its back to 14.1/14.2. It seems the drop in voltage is most likely due to the idle's sudden drop, but heres my questions:
1. could this sudden RPM drop be due to the alternator?
2. would turning on all electrical such as rear defrost, A/C, radio and brights be similar to load testing?
3. Would a weak alternator cause an intermittent CMP or CKP code?
This weekend i am going to make sure all electrical connections are nice and tight and clean all of the grounds and completely test the alternator.
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