IDLE LOPING

Jul 22, 2005 1 Replies

What would cause the batt. light to come on AND the car car to "lope" when idling on a 1989 grand marquis? It goes from 600 rpm to



1000 rpm when idling in two seconds, continuously. Is this the voltage regulator? :? HELP!

The battery light comes on because the engine rpm drops too low to turn the alternator fast enough to put out sufficient voltage. The problem is most likely a vacuum hose.

CJB

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