2001 Ranger when I come to a stop the idle sometimes drops and the lights dime a little
DEREK97116
MEMBER
2001 FORD RANGER
74,000 MILES
When I come to a stop the idle sometimes drops and the lights dime a little still does it after new battery tested alternator its good is there a fuse or maybe a small vacuum leak in the brake booster to cause this idk please help a brother out
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Monday, September 10th, 2012 AT 2:56 AM
1 Reply
CARADIODOC
MECHANIC
33,689 POSTS
Sounds like you have an idle speed problem, not a charging system problem. AC generators are not efficient at slow speeds so you can expect lights to dim when the idle speed is low.