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945T idle / acceleration hesitations 900 1993

I had similar problems last year. The tach would drop and to prevent stalling I shifted to N. I tried all sorts of things to fix it and I did succeed. Because this was intermittent it was tricky. But I believe the cause of a drop in the tach reading was linked to an improper connection at the fuse box area. I found that by pulling out the fuse tray and wiggling the wires I found a spot that caused the tach to falter; once I located the connection I cleaned it up and all was fine. (At about the same time I replaced the rpm sensor)






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