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Tach Jumping??

805 views 9 replies 8 participants last post by  BoostedEG 
#1 · (Edited)
well all the sudden my tach starts bouncing around when im driving... at a stop its fine but just crusing it will jump... eg. like at about 60 MPH it jumps between 2-3200 RPM??? any suggestions???
 
#2 ·
this has happen to me , with my 88 crx, it may not be the same problem with you as it was for me , but what i did to fix it was , there was some wires loose around the dizzy, not at the connections but in the middle of the wires , i just cot the bad wires out and re-soldered new ones in , and put heat shrink tube around them..i would say to look for any loose wires or anything corroded, hope i helped
 
#3 ·
im not sure where it is but the ECM ... i heard could be the problem .. but that will also make your car stall if its loose ... and i know this how ... my cars tach goes all crazy and my car stalls and i ned to fix it ...

you guys know where the ECM is ?
 
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