L lincoln conty Guest Feb 3, 2009 #1 well when the motor warms up...the rpms go from 2 grand to 1 back up to 2 grand repeatedly...would could be the cause of this....we checkd vacumm diagrams and its all correct..please help.
well when the motor warms up...the rpms go from 2 grand to 1 back up to 2 grand repeatedly...would could be the cause of this....we checkd vacumm diagrams and its all correct..please help.