SimplyTK
Nov 23, 2009, 02:48 PM
It is not a steady increase. It's bounces from 3 to 8 and all over in between
It's a '92 Honda Accord LX
TxGreaseMonkey
Nov 23, 2009, 03:20 PM
Replace the Ignition Control Module (ICM) inside the distributor. The BLU wire from the ICM goes directly to the tachometer. Classic sign the ICM is failing. Here's how to replace it yourself:
https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-4.html#post265896
Imacrown
Oct 27, 2011, 01:54 AM
Check the antifreeze hondas do that when the antifreez goes down.