Mar 19, 2005 #1 S Sweet6 Well-Known Member Joined Jun 12, 2001 Messages 3,534 My tach does not want to go over 3K or so for some reason. Could it be a bad ground somewhere? It seemed to work funny after I dropped the ECM to change out a chip. Let me know if any of you have any ideas. TIA
My tach does not want to go over 3K or so for some reason. Could it be a bad ground somewhere? It seemed to work funny after I dropped the ECM to change out a chip. Let me know if any of you have any ideas. TIA