I would make sure they are bad before throwing more parts at it. A scan tool will verify the speed sensor.
The tach may be a connection either at the connector behind the dash or at the pcm. You need to verify part failures before throwing parts at it.
July, 26, 2012 AT 12:10 PM
Great thank you, I have a scan tool for my laptop that plugs into the obd port, however it is a minidisk? Software question I guess are you familiar with minidisk for a laptop. I think its obsolete data material
July, 26, 2012 AT 12:13 PM
There are comppanies that give you software for your laptop. I have bowser electronics that reads codes and info.