Okay, I brought this 245DL home last weekend, it wouldn't run. Owner said it had an intermittent problem, but it wasn't intermittent for me. Wouldn't start. Until I pulled an injector, and tried the starter, and it sprayed. Reinstalled injector, and it started on one cylinder, and would eventually rev but only fire on cylinder #1. Checked #2 plug, dry as a bone but had spark and compression.

So today, before I went looking for fuel pumps, I pulled #2 injector, and tried starter. Presto, it sprayed. reinstalled it, now it runs on two cylinders. What the....? So I pulled #3 and #4 and ran the starter and they sprayed. Reinstalled them, and now it runs like the day it came off the production line even with 280K.

Explanation? I don't know for sure, but here's a theory: There was some air in the injector lines, and was at the highest point just above each injector. Since air has give unlike liquids, it didn't create the hydraulic pressure necessary to spray through the injector. When I removed the injectors, the highest point was then the end of the injector, and the fuel pushed the air out. I don't think I buy this completely, but I put 25 miles on it today without a hiccup.

Any other ideas?

Wow, that is weird. The K system develops about 50 psi just to open the check valve on the end of the injectors. Here's a theory. There was some blockage clogging the lines. Flexing them broke it up. Might want to check the filter.

I did replace the fuel filter before I started tinkering with injectors. It still could be the fuel pump providing marginally enough pressure to operate the injectors. If the lines were clogged, wouldn't the loosened debris clog the injectors? Oh well, as long as it's running I'm happy.

Now for the clutch....and the clunk.