Installed a full timing chain set on our '03 Expy 4.6l a couple weeks ago. All went fine with that, but the engine wiring harness (particularly on the passenger side) has at least a couple of connectors (injector and coil) with the locks/latches broken. They are just loose enough to slip off far enough to give me a misfire (mostly injector on #4). It's fine as soon as I pull the connector off and reseat it. Does anyone have a "driveway hack" suggestion for getting those plugs to stay on?

 

Replacing injector connectors is pretty common. Autozone should have them.

 

You can get by w/ zip - ties for now. There are pigtail sets available for both on-line as well...they are fairly cheap. I've found them at e bay in the past. I don't use the pigtails, - rather, just swap the connector,.