92 accord tach jumps between 1300 and 2500 when in park in drive its OK.. plugs,wires and cap are new what can be the cause
THAnks

Replace the Ignition Control Module (ICM):

https://www.askmehelpdesk.com/cars-t...tml#post265896

It's best to do the coil, too, while you have the distributor open.

You'll enjoy this link, since it relates directly to your problem:

https://www.askmehelpdesk.com/cars-t...tml#post260436