Rough Idle/Skipping
06-09-2015, 07:25 PM
#1
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Join Date: Mar 2015
Posts: 22
Rough Idle/Skipping
A couple weeks ago I had a Code 16. Changed Opti, Spark Plugs and wires. The code went away. Now the problem I'm having is when sitting at idle the engine is skipping a lot and the voltage drops especially when you are running the A/C. When you are driving the car runs fine. Any suggestions on what to check? Thanks!!
06-10-2015, 04:41 PM
#3
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Join Date: May 2012
Location: Long Island, NY
Posts: 216
Re: Rough Idle/Skipping
The low voltage you referred to, is that measured at the battery? If so, it should be approx. 14-15 VDC (engine at idle, no A/C). If its much lower, it may be the alternator. Are you using under-drive pulleys? That would account for the lower than normal charging voltage.
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