\'93 Bronco Issues
I have the following issues with a '93 351 auto Bronco. The 4x4 diff does not engage with the switch on the dashboard. Is there a motor on the diff itself that may the issue? Is there any troubleshooting procedures to narrow the problem down? As far as I can tell, the fuses for it are all good.
In the last two weeks, the engine has developed a high idle - 1700 rpms at all times. I checked the hoses on the engine; there was one at the front of the intake manifold that was sheared off; I replaced it and several others that were showing age wear. Also, the green and white plastic hoses coming out of coil module snapped and I patched them with rubber hose to mend that. This dropped the idle from 1900 to 1700 rpm, but not down to the expected idle.
I just dropped $2K at the Ford dealership getting the emissions systems back up to snuf. Any ideas to keep the costs of this down would be appreciated.